Added holder pattern to MediaGridAdapter
MediaGridAdapter cleanup based on code analysis
Media filename and type are now on a single line in default media grid layout
Updated FadeInNetworkImageView to use faster alpha animation instead of TransitionDrawable
Reduced font size of filename/type
Switched all media-related layouts to WPTextView and OpenSansEditText
Switched all media-related tablet layouts to WPTextView and OpenSansEditText
Added header comment to layouts with multiple implementations, removed hard-coded text in MediaGridAdapter
Media grid now shows three columns in landscape
Added holder pattern to MediaGalleryAdapter
Cleanup based on code analysis
Added background color to image in MediaItemFragment so something shows while image is downloading
Re-ordered MediaEditFragment so editable content appears above image
Changed media_listitem_details.xml to use margins/padding/font sizes from dimens.xml
Removed default placeholder image when downloading in MediaGridAdapter (less jarring)
FadeInNetworkImageView now uses config_shortAnimTime
Merge pull request #1072 from wordpress-mobile/issue/1071-janky-media-grid

Issue/1071 janky media grid