Update version to 3.0.0-rc1 (#206)

Signed-off-by: Webster Mudge <[email protected]>

Author: wmudge

galaxy.yml

@@ -16,7 +16,7 @@
 
 namespace: cloudera
 name: exe
-version: 2.4.1
+version: 3.0.0-rc.1
 readme: README.md
 authors:
   - Jim Enright @jenright