Removing old 'amd' js file from non-amd distribution folder
Whitespace cleanup
Added possibility to use option groups for dropdown select
* add tests for passing value / label. * add default value if val === 0
add test for optgroups with callback
test for optgroups with collections
* refactor rendering of options
* add tests
* support option groups with any of the other format of supporting the options
* allow each option groups to be specified as its own callback
add test for mixing options of optgroups in select dropdowns
remove unused code
fix test
Add ui test example with option groups
Add contributor notes
Build
Use jQuery 1.9.1 in tests
Use .prop instead of .attr to detect checkbox state
Fix focus()/blur() tests

Not really sure if this is the best solution or there's a different underlying issue...
Use parseHTML in jQuery 1.8+.  behaviour differs from 1.9 onwards.

See also: http://jquery.com/upgrade-guide/1.9/\#jquery-htmlstring-versus-jquery-selectorstring
Upgrading sinon to 1.6
Build
Add options to Form#commit. Closes #198