return File - output as default - in Windows use getUnixPath
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02

Conflicts:
	middleware/src/main/java/at/tuwien/aic/raid/connector/DropBoxImpl.java
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02
add listFiles function
Merge branch 'master' of https://github.com/HoloSound/AIC14W_G06_T02