pull changes from dev to production on 2014-05-12

This update brings these pulls, already on dev, to production:
* User-visible:
  * #780, #787, #790, #810: improvements to button art
  * #797, #752: allow players to submit chat when it's not their turn, and preserve whitespace in chat
  * #749, #807, #825, #850: implement option dice
  * #774: implement mood swing dice
  * #808, #823: display swing and option value selections from previous round
  * #805: activity log improvements for trip and morphing attacks
  * #833, #847, #821, #816: put game information in page title, and other game text grammar/wording fixes
  * #834: improve the finished game display
* Not user-visible:
  * #782, #796, #855: changes to jenkins test thresholds
  * #785, #791, #792: unused code/database cleanup
  * #789: fix erroneous index data types
  * #794, #815: fix minor file errors introduced by other pulls
  * #786: die flagging mechanism (not yet used)
  * #841, #831: API fixes

Database updates:
```
00090_mood_swing_01.sql
00093_option_01.sql
00193_add_flags_01.sql
00202_prev_swing_01.sql
00534_unit_test_crash_01.sql
remove_image_path_01.sql
swing_double_encoding_001.sql 
```