tag files added
tag checking enabled on task list page.
tag checking enabled on taskEdit/View
New style common ajax.js lib added, several functions consolidated.
login.js formatted and updated to use ajax.js
tagMethods and tags.js updated to use ajax.js
wmGetConfig added to url-role mappings
Merge branch 'master' into tagging
catoconfig updated with defaults for required values, and safe version
Cato ui now uses safe version of config.
Organized permissions checks.
deployment template tag editing
Removed mongo login debug print.
# 48 - vmware and 'all' lookups for cloud picker in task commands.
GUI now can present bubble up exceptions to the user.
cloud lib fixes and cleanup

- cloudMethods handler now allows exceptions to bubble up.
- delete cloud account fixed.
- cloud/account create/update no longer return tuples, instead raise
exceptions.
Merge branch 'master' into tagging
can now raise "info" messages in the gui from python methods.
deployment template page and methods cleaned and hooked to ajax.js
tag pages and methods cleaned to bubble exceptions