GUI-554
improved error handling. wrapped some things in try/except, call common functions for error handling/parsing
resolved conflict
introducing the boto_error_handler
merged the generator branch
merged develop
GUI-554
converted views to use error handling generator
GUI-554
minor cleanup based on code review
resolved conflicts with develop
GUI-554
changed up logic for fetching user/group totals
GUI-554: Leverage error handler context manager when fetching image for launch instance and launch config wizards
GUI-554: Restore generic context-based BotoServerError handler.  Minor PEP8 cleanup
GUI-554: Fix reference to missing "queue" var. Remove unused import, and minor PEP8 cleanup
GUI-554: Remove unused imports
GUI-554: Remove unused imports.  Misc PEP8 cleanup.  Marked broken references with FIXME comments
GUI-554
fixed a couple of refs to old error handling
Merge pull request #399 from eucalyptus/GUI-554

Gui 554