Merge pull request #1 from l3l0/feature/allows-not-only-input-as-daterange

Allows to other elements than inputs be daterange picker.
Allows to set opens as attribute.
Allow to compile daterange picker.
Update bower.json to ensure a modified version can be in fact downloaded by bower
Rename module to ngBootstrap.dateRangePicker

Renames ngBootstrap to more appropriate ngBootstrap.dateRangePicker
Add locale attribute
Remove $render function

Now you have to show the dates manually which gives more flexibility
Bind model to native Date objects

ng-model now has two Date objects, not two momentjs objects, which
unties you from momentjs and simplifies $watching.
Update documentation
INCR version to 0.0.3
Update samples
Documentation fixes
Really bind model to native Date objects
INCR version to 0.1.0

Everything seems stable
Add alternative ways to call the directive
Merge with kojoru master