NAS-2374: Added java_home to windows start script generation and also converted it into some less constant hellish.
NAS-2374: Added StdErr output to windows start script.
Merge branch 'master' into NAS-2374

Conflicts:
	deploy/deploy/src/main/java/dk/netarkivet/deploy/WindowsMachine.java
NAS-2374: Forgot a critical line in the WindowsMachine start app script.