AngularJS upgrade
Improvement to allow extension of sortableOptions

Allow that if the sortableOptions is already available in scope that it gets used so i can tweak the D&D options more
Reverting double extend thingy
Adding unittest and reading sortableOptions from dashboardOptions
Updating README documenting sortableOption
Moving dashboardOptions to controller so that there is no duplicate code
Merge pull request #59 from sjoerdmulder/patch-1

Improvement to allow extension of sortableOptions
updated versions in bower.json and package.json
Merge branch 'master' of github.com:DataTorrent/malhar-angular-dashboard
added test_auto grunt task
changed openWidgetDialog => openWidgetSettings, updated API for providing custom widget settings options
implemented default onSettingsClose and onSettingsDismiss functions
updated default task to only run karma unit tests
updated dashboard-layouts to allow for custom widget settings
changed from options to settings, removed test for optionsTemplateUrl (no longer used)
fixed defaults issues, updated demo
added new name spec file for widgetSettingsCtrl
updated demo with navbar, descriptions
added btf-markdown to demo
moved widget-template.html -> widget-settings-template.html