New behavior for creating and calling auditerConsumer for LDAP

CORE,RPC,RPC-LIB:
- change behavior of method pollConsumerMessagesForParserLikePairWithId,
  return List<auditMessage> instead of List<Pair<String,Integer>>
- change name of methods pollConsumerMessages* to be more simple
- fix bug in Auditer.java (using bad variable lastProcessedId)
- add mehotd pollConsumerMessagesForParser to RPC-LIB

LDAPc:
- remove datasource from ldap (using rpc now)
- remove perun-ldapc-applicationcontext-jdbc.xml (not needed now)
- remove bad autowiring variable ldapcManager in LdapcStarter
- add @org.springframework.stereotype.Service to
  EventProcessorImpl
- use method pollConsumerMessagesForParser in LDAP EventProcessorImpl,
  reading messages by RPC through RPC-LIB

Tested on localhost