Merge remote-tracking branch 'upstream/master'
Proofreading CSS and Deploy
Added note about source missing from some shells
wording, grammar, clarified some things etc. (chapter strings, ints, lists, loops etc.)
resolving a merge conflict...
proof read django forms
Remove leftover django-toolbelt.
Merge pull request #67 from kerstin/master

 wording, grammar, clarified some things etc.
Proofreading Homework
Fixing some typos
Merge branch 'master' of github.com:DjangoGirls/tutorial
Merge remote-tracking branch 'upstream/master'
Merge pull request #69 from BluesFiend/master

Proofreading more pages