Revert "remove lib"

This reverts commit d0a1750e492635d3b752cbc7507ea05e7cda6640.

	new file:   lib/commons-codec-1.8.jar
	new file:   lib/jackson-annotations-2.2.0.jar
	new file:   lib/jackson-core-2.2.0.jar
	new file:   lib/jackson-core-asl-1.9.12.jar
	new file:   lib/jackson-databind-2.2.0.jar
	new file:   lib/mongo-jackson-mapper-1.4.2.jar
	new file:   lib/mongo-java-driver-2.11.0.jar
remove lib