[Plugin: Jetpack by WordPress.com] Broken activation

got the following when trying to activate via the floating notice on the top of the admin page:

Notice: add_contextual_help is deprecated since version 3.3! Use get_current_screen()->add_help_tab() instead. in /f5/trdev/public/blog/wp-includes/functions.php on line 3467

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

and later after trying to activate though the plugin page:

Notice: add_contextual_help is deprecated since version 3.3! Use get_current_screen()->add_help_tab() instead. in /f5/trdev/public/blog/wp-includes/functions.php on line 3467

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2328

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-includes/pluggable.php on line 866

Warning: Cannot modify header information – headers already sent by (output started at /f5/trdev/public/blog/wp-includes/functions.php:3467) in /f5/trdev/public/blog/wp-content/plugins/jetpack/jetpack.php on line 2343

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