Webservices: using RestService that represents service in JAX-RS Explorer

More RedDeer - reimplemented SelectedWSDLDialog, RestFullExplorer,
WsTesterView and WsTesterNotNullResponseText (now WsTesterNotEmptyResponseText)

Created InputDialog that simplify actions with basic input dialog.

Enhanced ExtendedTextEditor with method replace that replaces any regex with
the specified replacement.
Webservices: fixed problem with ToolItem in view
Webservices: refactored (unused imports, deprecated types, comments)