Jetpack: Last bit of code changes before 2.8 release.
Language strings still pending.

Merge in the following substantive changes:

https://github.com/Automattic/jetpack/commit/7f5ac35655825c3e632ef03e105bb562379f88d9
Add in some copy to the options screen
Props @m, to provide some clarity as to what’s actually going on.

https://github.com/Automattic/jetpack/commit/05e353f71672c3f45a7cf25e334d3c769ef07ba2
Check whether Jetpack is active or in development mode before loading module extras.

https://github.com/Automattic/jetpack/commit/5ae27de47feaef6eb6585d5fe923b78f465448ec
Jetpack Monitor: Fix users not connected to WordPress.com not being able to activate or configure the module.

and some minor whitespace/changelog tweaks.


git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@848371 b8457f37-d9ea-0310-8a92-e5e31aec5664