[[Finish 65055024]]
updates csv parser to skip blank lines

or lines with less than nine columns. --> prevents an IndexOutOfBounceException.
see https://github.com/dirkschumacher/iUPB/commit/721cba72d23ef71f74aee596367df4220f8c04ce for a comparable change to iUPB, where the invalid stwpb csv file blow up production last weekend...
better empty ui
Merge pull request #28 from yippie-io/patch-1

updates csv parser to skip blank lines …
[[Finish 65055024]]
Merge branch 'develop' of github.com:ironjan/MensaUPB into develop

Conflicts:
	src/de/najidev/mensaupb/stw/StwParser.java
Improved responsiveness. No "too much work on main thread" could be seen in a manual test.
Merge branch 'master' of github.com:ironjan/MensaUPB
Merge branch 'develop'
Version bump