CentOS7 default dist is not valid

Injecting the dist into rpmmacros for manual builds to use it

Change-Id: I856148c384b1ffc60a571a1e821d899ede3f89bf
Signed-off-by: David Caro <dcaroest@redhat.com>
Added vdsm-jsonrpc-java

Change-Id: Ib7512d99d1dade65a0401df9ee237720fbb876d2
Signed-off-by: David Caro <dcaroest@redhat.com>