VERSION: Downgrade to v5.1.0a1

It was pointed out that we may not need to break backward
compatibility, for our next release.  Lets use v5.1.0a1
until we are sure we need to break API.

Signed-off-by: Geoffrey Paulsen <gpaulsen@us.ibm.com>

Author: gpaulsen

VERSION

@@ -15,8 +15,8 @@
 # major, minor, and release are generally combined in the form
 # <major>.<minor>.<release>.
 
-major=6
-minor=0
+major=5
+minor=1
 release=0
 
 # greek is generally used for alpha or beta release tags.  If it is