added jshint and fixed jshint errors
added basic test setup for angular directive with grunt
added images of deps and build status to readme
moved images in readme
travis kick
fixed jshint mixed spaces and tabs
Merge remote-tracking branch 'origin/development' into development

Conflicts:
	Gruntfile.js
	dist/angular.easypiechart.js
	dist/angular.easypiechart.min.js
	dist/easypiechart.js
	dist/jquery.easypiechart.js
	package.json
	src/easypiechart.js
updated tests for new options attribute