Update pry gem to 0.9.12.4
Update coderay gem to 1.1.0
Update text gem to 1.2.3
Update lumberjack gem to 1.0.4
Update kaminari gem to 0.15.0
Update localization
Add t7 branch rake task
Add t7 rake task to cron
Use ts:index instead ts:rebuild.

This commit should fix 10 minutes downtime in sphinx work everyday.
Add p7 and t7 branches to README
Add t7 branch to redis:cache rake task
Add p7 branch to ftbfs rake cron task
Add t7 branch to db:seed
Disable delta-indexing while bootstrap