AMD initUI + updates

amd loader for initUI (returns promise)
updates for various scripts
datepicker update

allowInvalidMinMaxDate option
Resources + default language

Changed default language to en(from ro)
Added resources for login/register form
Merge remote-tracking branch 'origin/master' into dev

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