Implemented authentication support when invoking the overlord rtgov 
rest services.
Merge pull request #7 from EricWittmann/rtgov-59-rest-security

(rtgov-59) Security support for rtgov rest services
Remove hardcoded path and comment out empty password, as EAP alpha rejects it
Remove hibernate auto db create/drop property
GADGETS-60 Remove overlord logo and reduce header height, now used with overlord-commons header
Update version to M5 and fix GADGETS-61
Revert to snapshot