re-factoring api in and out parameters
api refact
conf update
Merge remote-tracking branch 'remotes/origin/apiRefact'

Conflicts:
	ss-serv/ss-datatypes/ss-disc/ss-disc-datatypes/src/main/java/at/kc/tugraz/ss/service/disc/datatypes/SSDisc.java
	ss-serv/ss-datatypes/ss-disc/ss-disc-datatypes/src/main/java/at/kc/tugraz/ss/service/disc/datatypes/pars/SSDiscUserEntryAddPar.java
	ss-serv/ss-datatypes/ss-disc/ss-disc-impl/src/main/java/at/kc/tugraz/ss/service/disc/impl/SSDiscImpl.java
	ss-serv/ss-datatypes/ss-disc/ss-disc-impl/src/main/java/at/kc/tugraz/ss/service/disc/impl/fct/op/SSDiscUserEntryAddFct.java
	ss-util/src/main/java/at/kc/tugraz/socialserver/utils/SSVarU.java
merge cleaning