Updates i18n tags and en.coffee
Moves randomise modal template and view to editor/level/modal
Batches insertion of thangs to treema to speed up terrain generation
Deletes previously randomised thangs when generating again
Changes randomise to randomize
Merge branch 'master' of git://github.com/jayant1992/codecombat
Fixes for duplicate Thang IDs and reverting randomized Thangs.