server testing
Merge branch 'master' of https://github.com/graphscape/largegraph

Conflicts:
	lg-framework/src/main/java/com/graphscape/largegraph/server/provider/default_/handler/LargeGraphMessageTransferHandler.java
	lg-framework/src/test/java/com/graphscape/largegraph/test/apps/large_graph_server_app/LargeGraphServerAppTest.java
	lg-framework/src/test/java/com/graphscape/largegraph/test/apps/large_graph_server_app/MyMessageClientWrapper.java