Removed unused drawables from density-independent folder, those that were used were moved to drawable-mdpi
Removed unused stats disabled buttons, replaced mdpi ic_share.png with correct density
1st pass at removing unused drawables
2nd pass at removing unused drawables
3rd pass at removing unused drawables
Returned missing mdpi menu_button_bg.9.png
First pass at rewriting WPAlertDialogFragment
Completed rewrite of WPAlertDialogFragment
Fixed ANR loading drafts that contain images
Added handling of null arguments
Rewrote creation of resized pictures to be more memory-efficient
uploadFileHelper now uses a single try/catch/finally
Merge pull request #965 from wordpress-mobile/issue/950-image-resize

I've merged this PR, but thinking that even <code>public Bitmap getThumbnailForWPImageSpan(Context ctx, byte[] bytes, String orientation)</code> could be improved using the same approach.
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/931-rewrite-alert-dialog

Conflicts:
	src/org/wordpress/android/util/WPAlertDialogFragment.java
Merge pull request #932 from wordpress-mobile/issue/931-rewrite-alert-dialog

Issue/931 rewrite WPAlertDialogFragment
Merge pull request #964 from wordpress-mobile/issue/961-anr-posts-activity

Fixed ANR loading drafts that contain images
Merge pull request #906 from wordpress-mobile/issue/883-cleanup-drawables

Issue/883 cleanup drawables
Merge branch 'develop' into feature/japan-testing

Conflicts:
	src/org/wordpress/android/util/PostUploadService.java