Fixing months_since_last_story logic

Conversion from seconds to months should be division, not multiplication
Loading twice the height of the story titles pane in List view to avoid obnoxious scrolling behavior.
Adding read story trimmer.
Trimming read stories on feed unread recalc.
Adding feed id to logging for read storty trimmer.
Coloring trim.
Merge pull request #335 from ojiikun/master

Android: Mark Unread, Better API Error Handling
Merge pull request #337 from Phoenixsong/master

Fix months_since_last_story logic
Back to dev entitlements.
Revert "Updating styles on iOS story list to emphasize story title (thanks to @nriley for the inspiration)."

This reverts commit cdc62e46ced0084dc6f37dd15362c83edac75112.

Conflicts:
	apps/statistics/rstats.py
Taking Feed Reader off the ban list.
Merge pull request #339 from ojiikun/master

Android: A Few Bugfixes
Retry logic for failed API calls.