merge from trunk
updated packages for remoting source
removed throwing of runtime exception since we already have a warning (#4365)
Moved all logging and dialog functionality to the new class MessagingUtils.
Refactoring code to adapt to above change.
Added new custom error dialog - CdmErrorDialog
Added runtime exception handling to the ApplicationWorkbenchAdvisor by adding a custom status handler
added PostFix to memento to distinguish between remote and data source
setting name in case of editing datasource
remmoved setting of database name to empty when cloning
make lineSeparator 1.6 compatibel again
added new constructor with mode argument for wizard pages and deprecated the old constructor.
CdmDataSourceWizard and CdmDataSourceTypeSelectionWizardPage now call the new constructor.
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