Added a basic implementation of SaveService (not tested yet)
Merge remote-tracking branch 'remotes/origin/client' into server-impl

Conflicts:
	Server/src/main/java/cz/cuni/mff/ufal/textan/server/configs/WebAppConfig.java
	Server/src/main/java/cz/cuni/mff/ufal/textan/server/ws/DocumentProcessor.java
Fixed few bugs in SaveService, but adding objects still not work correctly. Probably a problem in Data/src/main/java/cz/cuni/mff/ufal/textan/data/tables/DocumentTable.java (hibernate)
Added a support for a relation without anchor (with bug in database see #33) and fix #31
Merge remote-tracking branch 'remotes/origin/server-impl' into client