Update class RemoteFile to include property oc:permissions
Populate RemoteFile with permission value
Update RemoteFile and ReadRemoteFolder classes for including the remote_id property
Update parsing of PROPFIND responses to save, if exists, the value of the properties oc:permissions and oc:id
Updated platorm tools, installer and accepted licenses for Travis environment
Updated name of system image component to download
Merge pull request #30 from owncloud/update_Android_SDK_installation_in_Travis_setup

Update android sdk installation in travis setup
Updated name of constants for extended WebDAV properties
Merge pull request #31 from owncloud/see_files_shared_with_me

Process extra properties oc:permissions and oc:id
Fixed parsing of dateformats in WebDAV responses
Merge branch 'develop' into add_cookie_based_session_support
Added lost import