Merge pull request #54 from twillouer/countskip

correct skip on count
Merge pull request #53 from twillouer/scalac16

unable scalac for execution compile and make only bytecode 1.6
Use MongoClient override rather than Mockito

use Objenesis to construct an instance of MongoClient and simply
override the necessary methods. Also, now using MongoClient rathar than
Mongo.
prep for 1.2.0 release
[maven-release-plugin] prepare release 1.2.0
[maven-release-plugin] prepare for next development iteration
Merge remote-tracking branch 'github/master' into minmax