#1

 * create frontend folder
 * create csv parsing test
 * create csv test file from the pad example
class and method to parse rail functions
this explains which states are used to parse rail functions
Merge branch 'master' of https://github.com/ccebinger/SWPSoSe14 into frontend
removed old csv parse main, create new class Csv_io to serialize and deserialize a string vector in a csv file
#1 removed old csv parser (replaced with new class)
another state automaton graphic to see how parseFunction works
Merge branch 'backend' of https://github.com/ccebinger/SWPSoSe14
Merge branch 'frontend' of https://github.com/ccebinger/SWPSoSe14