updated min Sdk Version to version 11, changed theme, folders activity
scheiss R
Merge branch 'master' of https://github.com/ffhs/privatecloud

Conflicts:
	PrivateCloudFFHS/src/ch/ffhs/privatecloudffhs/Settings.java
	PrivateCloudFFHS/src/ch/ffhs/privatecloudffhs/database/PrivateCloudDatabase.java