Cleanup of Plugin wrapper.
Cleanup of Plugin wrapper.

- Close Jarfile in getBackupVersion
- Fix alot of whitespace and braches checkstyle errors

Change-Id: Idb34c6b14d169a8b5ac79ac6df9d3e3b06eb405a
Signed-off-by: Henrik Lynggaard Hansen <a076b11c2cc63ccdc903dbe182e1eecc3cbbc094@hlyh.dk>

sap-production/hudson-3.x,sap-production/hudson-3.x,sap-production/hudson-3.x,sap-production/hudson-3.x,sap-production/hudson-3.x