Download Jetty instead of including in Grails TARGZ
Install Jetty 8.0 for Servlet 3.0
add quotes on SERVLET_VERSION for comparison
support quoted prop values
Always install JDK and remove special JAVA_HOME logic
Merge branch 'dev-dyn-jetty' into java7+servlet3
Merge branch 'javahome7' into java7+servlet3
Default system.properties
Merge pull request #29 from heroku/java7+servlet3

Always vendor the JDK