English and Russian language files updated
English and Russian translations updated. Initial help screens are
scrollable now and compatible with Android 4.2
Application Help screens rearranged and are accessible
through Preferences-"About AndStatus" menu. Change Log is also
accessible locally via Preferences-"Change Log".
1. Swipe gestures added to turn Help pages (HelpActivity)
2. Fixed task 24: Display microblogging service name in the "Select an
account" button  http://github.com/andstatus/andstatus/issues/issue/24
Typo in Change Log fixed.
Copy-paste error in comments
Merge branch 'master' of https://github.com/andstatus/andstatus into french_translation
update french tr : some mistakes corrected / general terminology is now used