Issues fixes + Improvements

#### Issues Fixes
- Fix missing string on optionTemplate >> Robdel12/DropKick#190
- Provides 'clone' and 'destroy' useful methods >> Robdel12/DropKick#189
- Added 'updateField' on 'refresh' methods >> Robdel12/DropKick#187
- Added possiblity to apply dropkick on detached DOM elements >> Robdel12/DropKick#100

#### Improvements
- Now you can optionally trigger the 'change' event along with the methods 'reset' or 'refresh'
- Clicking on a selected element doesn't trigger the 'change' event anymore (Just like the <select> element's default behaviour)
- Removed duplicate and unnecessary lines

#### Update bower.json
- DropKick was tested and confirmed that works with jQuery 1.7+
- From the bower.json-spec: Do not include minified files.
- Added minimal required css