Genericize forum-specific theme settings.

For now, this includes hacky loading view support. Should theme that properly
at some point!
Copyedit.
Hide pointlessly-exposed function.
Add proper HTTP referer [sic] to inlined Minus images.

Fixes #252.
Fipped the 64bit switch, cleaned up related implicit conversion warnings/errors
Fix NSString formatting of NSInteger on 32-bit.

Fixes for 64-bit weren't backwards-compatible.
Mention Awful 2 in README.
Set restoration class for AwfulNavigationController.
Just save the expanding view controller's detail view controller.
Added nil check to ColorWithHexCode
Make basement clear through to the home screen background (if we get rejected reverse this commit)
Minor theme restructure, forums-specific coloring, dark mode alpha edition
Remove mention of deleted branch 'old'.
Fix difficult-to-tap ... button in posts view.
Turned on inhibit_warnings for JLRoutes to hide formatter error
Add arrow after username so it's more obviously clickable
YOSPOS/FYAD theme improvements
Fix for forum-specificness not being inheritable, breaking AmberPOS
Extended use of backgroundColor
Merge branch 'master' of github.com:AwfulDevs/Awful

# By Nolan Waite (2) and Jim Murtha (1)
# Via Jim Murtha
* 'master' of github.com:AwfulDevs/Awful:
  Add arrow after username so it's more obviously clickable
  Fix difficult-to-tap ... button in posts view.
  Remove mention of deleted branch 'old'.