Create branch for Post by Email

git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617155 b8457f37-d9ea-0310-8a92-e5e31aec5664
Create a skeleton module for Post by Email.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617163 b8457f37-d9ea-0310-8a92-e5e31aec5664
Post By Email:
- Now enabled by default
- Add an entry to the user profile page
- Create Ajax callbacks for enabling/disabling/regenerating the email address



git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617723 b8457f37-d9ea-0310-8a92-e5e31aec5664
When a module is activated, sync all the options it needs.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617953 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modules that sync data should register what options to sync inline, not on module load.

Modules that sync data can register what comments/posts to sync inline if it doesn't require extra calculations.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617955 b8457f37-d9ea-0310-8a92-e5e31aec5664
When uploading files, respond with the attachment's metadata as well.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617956 b8457f37-d9ea-0310-8a92-e5e31aec5664
Allow uploaded files to be attached to a post.


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@617970 b8457f37-d9ea-0310-8a92-e5e31aec5664
Post By Email:
- Connect to WP.com for grabbing the PBE address
- Sanity check any responses from WP.com


git-svn-id: http://plugins.svn.wordpress.org/jetpack/branches/post-by-email@618506 b8457f37-d9ea-0310-8a92-e5e31aec5664