switch to jaxbmarshaller to fix #186
add maven dependency on com.sun.xml
fix failing rest api integration tests
Fix restclient - request.setHeaders overwrites existing headers, causing sso cookie to disappear
fixes #151
fixes #187 InternalUpdatePerformer npe
#151 too
reviewed restservicehelper
added casing test
fixed nullpointerexception in getsubmittedobject()
added generating error entity in defaultexceptionmapper
Switched to JAXB reference implementation from org.ow2.
Fixed test.
added short comment explaining design
Fixed test.
Fixed tests.
Merge branch 'master' into rdap

Conflicts:
	whois-api/src/main/java/net/ripe/db/whois/api/rest/RestServiceHelper.java