New formulation for version string

	* src/hawModel/hawParser.py: New formulation for version string
	* src/hawModel/hawParserTest.py: New test case for new formulation for
	 version string
	* src/hawModel/testData/Sem_I.WiSe2012.v12.txt: New test data
	* haw2iCalendar-klickiBunti.py: Fix for umlauts in filenames
	* haw2iCalendar-klickiBunti.py: Fix for umlauts in filenames
	* src/controller.py: Replaced tabs by 8 spaces