fix #767: create a link from res/drawable-xhdpi/ic_reader_video_overlay.png to assets/ic_reader_video_overlay.png
add AppLogViewerActivity to zbetagroup preference.xml
Merge branch 'develop' into issue/767-re-enable-proguard
remove unused statement in build.gradle
fix #750: punctuation
Merge pull request #836 from wordpress-mobile/issue/750-fix-punctuation

fix #750: punctuation
Merge pull request #831 from wordpress-mobile/issue/767-re-enable-proguard

fix #767: re enable proguard
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/695-reader-post-detail-fragment