Allow to configure method-call for service-manager
Add filesystem factory
Introduce Filesystems service with getters to individual filesystems
Introduce abstract service, store manager on it
Merge branch 'master' of github.com:cargomedia/CM into service-filesystems
Move all service classes into Service/, add ServiceAwareInterface
Configure service "method" as single array element with sub-keys "name" and "arguments"
Merge pull request #1223 from njam/service-filesystems

Introduce CM_Service_Filesystems with getters for data,userfiles,tmp filesystem