Update version to 2.2.1
Update release notes for 2.2.1
set version to 2.2.2-0-SNAPSHOT
Attempt clean up of build dirs before travis build
Tags for encoding strings
Validate input for execution show page
Improve escaping of values rendered in gsps
Improve input checks for show action
Fix error if invalid plugin type used
Include project parameter in redirect
Admin page without project parameter should reject before authorizing
Config page: discern b/w project/system config authorization
Allow system info page view even if no project selected
Simplify encoding taglib
Update enc tag to return a value
Replace "encodeAs" method calls with taglib usage
Add constraints on User domain class
Validate input for user actions via domain class
Cleanup, allow request.errors bean errors
Encode user form values