Merge pull request #529 from dosiecki/master

Android: Option to disable inline content previews
Checking if stories are shared through redis before asking mongo.
Moving to a naive story tag counter. Can schedule re-counts if necessary.
Switching login form's form handling to NewsBlur form (from django form).
Fixing story title classifier misidentification due to capitalization issues.
Merge pull request #530 from dosiecki/master

Android: Image-related enhancements
Adjusting paddings on content previews in android app.
Android 3.7.1.
Fixing folder menu alignment bug when right-clicking on first visible folder.
Fixing starred story total counts.
Limiting feed search to 1000 feeds.
Fixing exploding river in ifttt.
Fixing premium expire date for users without expiring premiums.
Fixing invalid premium_expire date.
Updating lxml to 3.3.5 to fix two big html diffing issues: whitespace being removed between links, and newlines being removed in <pre> tags.
Don't barf if no search server available.
Remvoing pdb.
Adding three ios fonts.
Adding line spacing option to iOS app.
Fixing ipad popover size. Adding default line height.