Added author add confirmation crouton
Multiple fixes and notificaiton additions.

Fixed a lot of typos in russian translation.
Fixed OutOfMemory exception when saving publication.
Implemented InboxStyle for >= 4.1 update notifications.
Updated what's new content. Fixed encoding issue when saving from buffered reader.
Added showcasing ratings as it seems users do not rate things.
Rating Showcase title and description added.
Added additional author reading implementation using samlib cgi urls
Fixed Author add confirmation crouton position
Switched publication download to CGI version instead of shtml.
Added headerbar for search activity. Preparation for search type selection.
Added search type spinner. Draft
Fixed search type spinner display
Added search strategy selection.

Abstracted search strategy for easy selection. Implemented CGI search based on author name only. Fixed home-screen action bar shadow.
Updated store listing
Merged with develop-pre-api15
Conflict resolving