added NO_IDENTITY_FOUND AuthError
fixed getAuthenticationProvider in User
fixed handling of createdField in MongoDataSource
added fallback for missing created date
passing create date is now optional ... if not, the DB date will be used ...
changed buttonClass usage in MenuButton
fixed schema validation of sub entity lists
DEV-56642 - set browser name to empty string if browser is unknown
added createWindow function to WindowManager
fixed _clearSelection in VirtualItemsView
added hack for clearing src in IE before setting new one
added version command to read version
fixed hasClass in DomElement
added shim for placeholder in Input element
added Slider component to js.ui
added required attribute to FieldClass
fixed MenuButton buttonClass
replaced $elements by $children ... now all children are included in $children (not only DomElements)
added SessionStorage
added trigger of invalidChanged for clearErrors