Bumping snapshot version to 1.8.0-SNAPSHOT

Change-Id: I4ca57b277d8ac814b8a10b107d995cb1cc4d499d
diff --git a/tools/build/envDefaults b/tools/build/envDefaults
index b184030..5874110 100644
--- a/tools/build/envDefaults
+++ b/tools/build/envDefaults
@@ -18,8 +18,8 @@
 export BUILD_NUMBER=${BUILD_NUMBER:-$(id -un)~$(date +'%Y/%m/%d@%H:%M')}
 
 # ONOS Version and onos.tar.gz staging environment
-export ONOS_POM_VERSION="1.7.0-SNAPSHOT"
-export ONOS_VERSION=${ONOS_VERSION:-1.7.0.$BUILD_NUMBER}
+export ONOS_POM_VERSION="1.8.0-SNAPSHOT"
+export ONOS_VERSION=${ONOS_VERSION:-1.8.0.$BUILD_NUMBER}
 
 # ONOS production bits (onos.tar.gz, onos.zip, onos.deb, onos.rpm) staging environment
 export ONOS_BITS=onos-${ONOS_VERSION%~*}