added bower components.
updated the submodule angular-validator.
updated node modules
updated .travis.yml
fixed symbolic links.
removed submodules.
cleanup gruntfile
fixed the input model bug.
fixed the test for fbFormController.
updated Bootstrap 3.1.1, AngularJS 1.2.16 and angular-validator.
added `removeFormObject` at README.md #17
support templateUrl. #18
updated comments.
updated the node modules.
Isolate the form builder scope which allows multiple fb on a single page
Useful to build a wizard style form
Allow form object has it's own template
Merge pull request #24 from topikachu/master

Isolate the form builder scope which allows multiple fb on a single page
Revert "Allow form object has it's own template"

This reverts commit 0c1f460f6de4846fcf6c05433c7287b41b8b5b68.
cleanup #24
updated gruntfile.