renamed KARAF -> KARAF_HOME

Change-Id: I13418ccedb4fa860e7a67b629b6377a5b0b8d4d6

@@ -19,13 +19,13 @@ fi
 export MAVEN=${MAVEN:-~/Applications/apache-maven-3.2.2}
 
 export KARAF_VERSION=${KARAF_VERSION:-3.0.2}
-export KARAF=${KARAF:-~/Applications/apache-karaf-$KARAF_VERSION}
-export KARAF_LOG=$KARAF/data/log/karaf.log
+export KARAF_HOME=${KARAF:-~/Applications/apache-karaf-$KARAF_VERSION}
+export KARAF_LOG=$KARAF_HOME/data/log/karaf.log
 
 # Setup a path
 export PATH="$PATH:$ONOS_ROOT/tools/dev/bin:$ONOS_ROOT/tools/test/bin"
 export PATH="$PATH:$ONOS_ROOT/tools/build"
-export PATH="$PATH:$MAVEN/bin:$KARAF/bin"
+export PATH="$PATH:$MAVEN/bin:$KARAF_HOME/bin"
 
 # Convenience utility to warp to various ONOS source projects
 # e.g. 'o api', 'o dev', 'o'

@@ -29,8 +29,8 @@ endif
 if ( ! $?KARAF_VERSION ) then
     setenv KARAF_VERSION 3.0.2
 endif
-if ( ! $?KARAF ) then
-    setenv KARAF $HOME/Applications/apache-karaf-$KARAF_VERSION
+if ( ! $?KARAF_HOME ) then
+    setenv KARAF_HOME $HOME/Applications/apache-karaf-$KARAF_VERSION
 endif
 setenv KARAF_LOG $KARAF/data/log/karaf.log