Ensure directories are created before ant-ext compile
Add support for a chained main class, for running a second app in the same JVM
Improve JAR signing: enforce pack/sign/compress order with depends, sign with both SHA-1 and SHA-256
Add jitsi-default*.properties into JNLP
JNLP file: add more Linux arch names
Handle the javaws command line arguments
Merge pull request #56 from dpocock/webstart-dp1

Build improvements and embedding utility code
Merge branch 'webstart' into webstart-dp