- 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
