formatting
added hhvm to travis ci
allow failures during hhvm test
skip code coverage for hhvm because xdebug is not activated
Merge pull request #40 from Rovak/hhvm

Add HHVM to travis.ci
update extjs version
change email
Merge pull request #41 from Rovak/version/4.2.0

update to ext js version 4.2.0 gpl
update documentation
bump version