Account for (optional) footer in wrapper height calc.
Don't apply iCheck plugin to checkboxes with 'simple' css class.
Merge pull request #61 from seven1m/master

Don't apply iCheck plugin to checkboxes with 'simple' css class.
Merge pull request #62 from seven1m/footer

Account for (optional) footer in wrapper height calc.
Update demo.js

Added missing functions
Update app.js

Removed demo functions
Fixed demo.js link errors