- split up owncloudsetup class to have a wizard class and a class that
delivers plain config data
- renamed ownCloudSetup -> ownCloudSetupWizard
- added new class MirallConfigFile
- made mirall config file (which currently only contains the owncloud
connection) multi-connection aware
- removed some sitecopy code
- removed fetch- and push slots
- adopted readFolderConfigFromFile to new file format
