added notification callback to restclient.

it is used to get messages from successful create operations
(e.g pending routes).
cosmetics
replaced impl. class in test with the verify method to test the notifierCallback interface.
Removed commented line.
Refactored CiString comparison.
Fixed generateByaccs file mode (+x).
added failing test to fix a problem with create returning wrong message
Fixed generateByaccs file mode (+x).
Merge branch 'master' of github.com:RIPE-NCC/whois into abusec_phase2