GUI-1271
re-worked copy-deny logic to be more efficient and correct
coverted apersands to entities
resolved conflicts
restored missing copy-progress dialog lost in some re-factoring
GUI-1271
removed success notifications on paste operation
Merge branch 'develop' into GUI-1271
Merge pull request #1074 from eucalyptus/GUI-1271

GUI-1271 re-worked copy-deny logic to be more efficient and correct