FredrichO - [#52952967] fixed bug with long video uploads crashing app
Merge branch 'stats' of github.com:xtremelabs/automattic-wordpress-android into stats
FredrichO - [#53766991] Redesigned the media grid's progress spinner to be within the grid view. 

Also fixed a bug where video permissions were not applied correctly.
FredrichO - Fixing bug where permissions weren't granted properly for video upload when switching users.
FredrichO/AkifH - fixed bug where screenshots would load for non-image media items.
FredrichO/AkifH - [#54219304] Fixed issue on media browser where progress spinner was frozen during uploads.
FredrichO/AkifH - fixed crash when choosing custom date
FredrichO/AkifH - hid legend and showed error message in the event of no data for stats graphs.
FredrichO/AkifH - [#53811255] Fixed 403 errors when loading media images. Updated volley jar.