Fix mongo java version
Updated documentation config
Updated json
Updated specs to handle not having mongoimport
Updated spec for MongoDB 2.2
Merge branch 'master' into 2.7

Conflicts:
	casbah-core/src/test/scala/GroupSpec.scala
	casbah-core/src/test/scala/MapReduceSpec.scala
	casbah-core/src/test/scala/RawMapReduceSpec.scala
Clean up debugging in spec
Support the MONGODB-X509 authentication mechanism [SCALA-112]