added SortableList toolbar component
removed useless stuff from SortableList
Merge branch 'master' of https://github.com/alessandromuresan/BForms into alessandromuresan-master

Conflicts:
	BForms.Docs/Resources/Resource.Designer.cs
	BForms.Docs/Resources/Resource.en-US.resx
	BForms.Docs/Resources/Resource.resx
	BForms.Docs/Resources/Resource.ro-RO.resx