Merge pull request #72 from tanriol/fix-wait-cancel

workaround the seal on Promise objects breaking cancel on timeouts
Merge pull request #74 from tanriol/fix-lost-paren

lost parentheses bug in tooltip construction
pull in getWebContentHandlerByURI through the correct interface
Merge pull request #73 from tanriol/fix-get-handler

pull in getWebContentHandlerByURI through the correct interface
Merge branch 'time-intervals-v2' (temporary)