Webstart-launcher (with HUGE hacks)
Merge branch 'master' into webstart
Merge branch 'master' into webstart

Conflicts:
	.gitignore
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 'master' into webstart
Merge branch 'webstart'
Make JWS launcher Java 1.4 compatible
Remove Java 5+ language constructs: varargs, generics, for-each (Fixes
compiler errors)
Fixes searching for cusax capable provider.
Handles unsupported 'data' media type when processing jingle offer.
Adds the operation set used by SIP gateway to handle operations specific to Jitsi Meet conference.
Extends JitsiMeet tools operation set by functionality that handles extra SIP header in incoming calls.
Adds the property that allows to disable COIN notifications.