Revision 1306632

RAVE-531: Maven configuration and versions updates for TLP
See: https://issues.apache.org/jira/browse/RAVE-531
rave-project fixes:
- delete DISCLAIMER
- update READMEs and other references to Incubator/Incubating
- drop -incubating version postfix
- fix scm locations
- update rave-master-pom version to 0.9-SNAPSHOT (has been deployed to SNAPSHOT repository as well)
- delete unneeded/empty rave-demo-gadgets META-INF/MANIFEST.MF