test script: Added -r option to run all not enabled tests.
enable pos_IO test
further integration tests enabled
fixed some tests
movement fixes
done a lot stuff
merge with preproc-lexer
making some integration tests work
some changes
Merge remote-tracking branch 'origin/preproc-lexer' into gui
fixed test cases
added error messages to io-files of negative test cases
even more tests working
Merge branch 'preproc-lexer' of https://github.com/SWP-Ubau-SoSe2014-Haskell/SWPSoSe14 into preproc-lexer

Conflicts:
	integration-tests/neg_invalidMove4.io
fixed every known test case for lexer
Finished Syntaxshighlighting. Needed function move from Lexer.hs and RelDirection(Forward)
Merged preproc-Lexer into gui
Fixed bug by removing step in junction case TextArea.hs