Update index.html to add a bunch of missing commas

Multiple cases of missing commas. $('#tree1) should be $('#tree1')
Merge pull request #91 from lukeb/patch-1

Update index.html to add a bunch of missing commas
Issue 94. Fixed addNodeAfter docs
Fixed code examples in docs
Merge branch 'dev'
Merge branch 'dev'
Updated qunit to 1.10.0
Fix call to iterate in removeNode.
Merge pull request #112 from ingemaradahl/master

Fix call to iterate in removeNode.
Merge branch 'master' into dev