append error under '.form-group'

$(element).parent().append($label) breaks input-group-addon. so we should use $('.form-group').append($label)
Merge pull request #18 from chaizhenhua/master

append error under '.form-group'
minify
added grunt-uglify. updated version 0.2.3.
Update .travis.yml
- fixed UI issue on error message placement
Revert "append error under '.form-group'"
Merge pull request #23 from kelp404/revert-18-master

Revert "append error under '.form-group'"
Merge branch 'master' of https://github.com/jjcosare/angular-validator into jjcosare-master

Conflicts:
	dist/angular-validator.js
	src/provider.coffee
Merge branch 'jjcosare-master'
updated 0.2.5
Merge remote-tracking branch 'kelp/master' into develop

Conflicts:
	Gruntfile.coffee
	bower.json
	package.json