Fix to always use the Java version specified in JAVA_HOME
Merge pull request #643 from typesafehub/wip/h3nk3-bat-script-fix

Fix to always use the Java version specified in JAVA_HOME
heroku api compiles and ui stubbed
add tests for heroku integration
chunk build status on deploy
new git-less back-end for heroku
working UI
remove log statement
add logout
config var mgmt
clear deploy log on deploy start
use app-setup api on heroku for app.json support
on create and deploy use the build-logs api
better logg handling
better log stream api
cleanup and tests pass again
add retry for log stream
add deploy on heroku to welcome
consistent plugin path
refactor JS for consistency with other plugins