Update http-kit startup

frameworks/Clojure/http-kit/setup.sh

@@ -1,13 +1,13 @@
 #!/bin/bash
 source $IROOT/java7.installed
-export LEIN_HOME=$IROOT/lein
+source $IROOT/lein.installed
 
 cd hello
-$LEIN_HOME/bin/lein clean
-$LEIN_HOME/bin/lein deps
+lein clean
+lein deps
 rm -rf target
 # pack all dependencies into a single jar: target/http-kit-standalone.jar
-$LEIN_HOME/bin/lein uberjar
+lein uberjar
 # -server is much faster
 # 'lein run' passes '-client -XX:+TieredCompilation -XX:TieredStopAtLevel=1' which make it starts fast, but runs slow
-$JAVA_HOME/bin/java -server -jar target/http-kit-standalone.jar --db-host ${DBHOST} &
+java -server -jar target/http-kit-standalone.jar --db-host ${DBHOST} &