Hacky fix for a holoeverywhere issue with DarkActionBar theme and SearchView
Add loading indicator to user guide list, and improved no text style
Fix gallery loading indicator and image loading

The adapter wasn't invalidated after the user image data is returned, now it
is.
Improve media manager help text and show correct site name
Holoeverywhere hates dialogs.

Fix a stackoverflow error on bullet dialog
Fix loading indicator and no steps NPE
Improve steps strings
Fix login dialog theme and poor failed login message
Fix cancel and backspace in site list search
Only update title and main view if not root topic