Resolves #170, thang can be directly placed by dragging onto the map
Fixes issue with thang being added twice upon click
Added noty error messages when unable to save CocoModels.
Merge branch 'master' of https://github.com/codecombat/codecombat
Updated some words and phrases

Just a few words and phares until have more experience in the project.
+ more than one </script> tag in username no longer breaks the page.
(aka. Javascript never ceases to surprise me)
Merge pull request #1060 from domenukk/fixxss

+ more than one </script> tag in username no longer breaks the page, part 2
Merge pull request #1059 from rafagomes/patch-1

Updated some words and phrases
Fixed the facebook event schema.
Fixed up the level loader to include session objects as world necessities.
Fixed the level editor preview window not loading on repeated opens.
Some remaining work to get the delayed show guide script set up.
Added a way to remove SuperModel resources to fix ladder tab refreshing.
Weighted random selection of games
Merge pull request #1063 from codecombat/master

Master into production