nsTHashtable::RawRemove. Add a hashtable test-suite, and clean up some codesize issues. Also fixes bug 203030 and hopefully SunOS build bustage. r=jkeiser sr=alecf a=asa git-svn-id: svn://10.0.0.236/trunk@141729 18797224-902f-48f8-a5cc-f745e15eee43