Obtained the server version from the version string and changed the share API version support to 5.0.27
Avoid that the app crashes if the server version is not supported
Merge branch 'develop' into OC-3169_Server_version_library
Merge pull request #12 from owncloud/OC-3169_Server_version_library

Oc 3169 server version library
Merge branch 'develop' into OC-1107_File_info_library