some fixes forpage rank
some fixes
fix #197 client jar issue
Merge pull request #198 from whjiang/clientjar

fix #197 client jar issue
Merge branch 'master' into pagerank

Conflicts:
	core/src/main/scala/org/apache/gearpump/cluster/AppManager.scala
	core/src/main/scala/org/apache/gearpump/util/ActorSystemBooter.scala
fix a compilation error