Jetpack Likes

Abstracted the like count code (for wp-admin post page) out so Jetpack and WordPress.com can overwrite them on a per-need basis. This does not change how Jetpack likes or the post count code works in JP functionally.
props beaulebens


git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@759380 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack: Add in a jetpack_get_available_modules filter to let plugins or site admins blacklist Jetpack modules.

git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@759391 b8457f37-d9ea-0310-8a92-e5e31aec5664
Derp.

git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@759392 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack Custom CSS: WP 3.6 compatibility

Obey revisions quantity set via the `wp_revisions_to_keep` filter introduced in WP 3.6.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@759546 b8457f37-d9ea-0310-8a92-e5e31aec5664
Initial commit
Initial commit of Jetpack blobaugh's synch'd fork
Adding sample test
Attempting to fix includes for builds
Removing some older versions of WordPress from CI support

Travis-CI was setting up testing environments for WordPress versions 3.2.1 through current and master, both single and multisite. This caused a very long test execution time. If we need the others they can be added again later.
Importing tests created via old testing method
Initial commit
Initial commit of Jetpack blobaugh's synch'd fork
Updating previous Photon test
Initial commit
Initial commit of Jetpack blobaugh's synch'd fork
Initial commit
Initial commit of Jetpack blobaugh's synch'd fork
Initial commit
Initial commit of Jetpack blobaugh's synch'd fork
Added initial testing framework

Initial PHPUnit framework has been setup