feat #393 Utility class to load standard css files

It is possible to progrmmatically add/remove css files by using the aria.utils.CSSLoader singleton.
Tags of type "link" are created and appended to the head of the document.
Close #393
deprecating IconLib
fixing deps problem with template scripts
refactor remove color from Link
refactor remove "onvalidate" from TextInput and Select
refactor remove Date.firstDayOfWeek
refactor remove EnvironmentBase.setEnvironment
refactor remove SubModuleDefinition.display from CfgBeans

It was not used anywhere in the code.
refactor remove obsolete JSDoc in SimpleSessionQueuing
refactor remove global style

Removes global CSS (affecting body) from the framework itself.
Adds the removed styles to HTML page used for Iframe tests.
refactor remove legacy way of declaring objects in an interface
refactor remove deprecated methods from AriaLib
refactor remove deprecated utils.FormatFactory
refactor remove OldFrame
refactor remove deprecated usage of expandos in DomElementWrapper
refactor remove deprecated _formatCache in utils.Number
refactor remove deprecated members of environment.WidgetSettings

Removed the following methods and cfgBeans members:
getWidgetLib()
getWidgetLibClassName()
defaultWidgetLib
wip remove deprecated things from skin
wip remove global style from SelectStyle