fix #164: save selected blog when rotating tablet and restore selection after menu drawer re-init
Adding check for null cursor and invalid column index in getRealPathFromContentURI() method. Fixes #584.
test mBlogSpinner is initialized
Adds support for downloading externally hosted videos to add to the post editor.
Merge branch 'develop' into issue/584-media-crash
Adding check that activity is still around after downloading media.
Run the DownloadMediaTask AsyncTask in the thread pool executor so that it doesn’t block other AsyncTasks.
Partial fix for #386 - if a comment has been scrolled into view and the device is rotated, that comment will now be scrolled back into view after rotation.
fix #610: fix res XML namespaces
Added clock noticon to comment date & reduced size of comment gravatars
* Replaced reply icon with reply link below the post content
* Added extra spacing between the post and its comments
* Added clock noticon to post's timestamp
Merge pull request #577 from wordpress-mobile/issue/164-rotating-app-switches-blog-on-tablet

Fix #164: save selected blog when rotating tablet and restore selection after menu drawer re-init
Merge pull request #611 from wordpress-mobile/issue/610-fix-res-xml-namespaces

fix #610: fix res XML namespaces
Fixes the background color of the Posts and Pages lists to be background_grey. Also fixes a few unnecessary overdraws.
Merge branch 'develop' into issue/list-background-colors-fix

Conflicts:
	res/values/styles.xml
Merge pull request #614 from wordpress-mobile/issue/list-background-colors-fix

Background color fixes.
Fixed #609 by adding "overflow-x: scroll" to CSS for PRE blocks, also added padding, border & background color to PRE blocks
Fix #616 - avatars now default to the "mystery man" image
Merge pull request #608 from wordpress-mobile/issue/386-reader-detail-scroll-rotate

Partial fix for #386 - restores reader detail scroll position after rotation
Merge pull request #617 from wordpress-mobile/issue/616-mystery-man-gravatar

Fix #616 - avatars now default to the "mystery man" image