fix merge failure
forward Erfurt submodule
forward Saft submodule for empty Accept header fix
fix parser error: missing function keyword
deprecate some classes and remove unused Profile
deprecate Person
forward lib-dssn-php submodule
replace Xodx_Person by DSSN_Foaf_Person
improve getUser method on UserController
fix UserController getNotifications
remove xodx namespace

replace it with dssn namespace and ontowiki sysont (ow)
forward Erfurt submodule (fix problem with namespace)
add rel namespace to config.ini
remove unnecessary foaf:PersonalProfileDocument on signup
reorganize code for signup and check if Person or ProfileDocument was specified
show Person rather then ProfileDocuments in Profile list
remove unused actions from ProfileController
make login form nicer
add name to Xodx_User
add notification indicator to layout