made many model updates silent to avoid event overhead
Merge branch 'testing' of github.com:eucalyptus/eucalyptus-console into testing
Merge branch 'testing' of github.com:eucalyptus/eucalyptus-console into testing
added defaults for zone and allimage pulling
Merge branch 'testing' of github.com:eucalyptus/eucalyptus-console into testing
switched from on() to listenTo() which ensures listeners get removed
ensure some constructed DOM gets cleaned up on dialog close
removed un-used methods
results from JSHint cleanup
Merge pull request #87 from eucalyptus/code-cleanup

Code cleanup