BsPanel updates + new options
shitty merge part 2
Merge branch 'master' of https://github.com/stefanprodan/BForms

Conflicts:
	BForms.Docs/Areas/Demo/Views/Contributors/Grid/Details/_Index.cshtml
	BForms.Docs/Scripts/BForms/Widgets/Grid/js/bforms.grid.js
	BForms.Docs/Scripts/Controllers/Demo/Contributors/contributors-index.js
	BForms/Panels/BsPanelHtmlBuilder.cs
	BForms/Renderers/BsPanelBaseRenderer.cs