Reported by Qubes
ref: http://zzz.i2p/topics/3555

Increase memory

copied from i2prouter script

- Cherry-pick fixes from psi's github i2psnark_rpc branch
- Fix up Jetty XML file for Jetty 8
- Start with JettyStart
- Add UrlLauncher to launch browser
- Move RunStandalone to standalone/ directory
- Fix up paths in CSS files during build
- Force startup delay to 0 when in router context
- Fix theme selection when not in router context
- Adjust CSS and image paths when not in router context
- Add hosts.txt so announces work

      - Move FetchAndAdd to static inner class
      - Remove duplicate classes from i2psnark.war (120KB);
        fixes sporadic FetchAndAdd IllegalAccessError
      - Fix standalone build to include i2psnark.jar since classes
        aren't in the .war anymore
      - Have standalone jetty use I2PAppContext temp directory
      - Replace launch-i2psnark.jar with launch-i2psnark script,
        since RunStandalone is in i2p.jar
      - Clean up jetty-i2psnark.xml, turn off jetty logging
      - Remove standalone build from the pkg target in the main build.xml