fix aggregation GroupField
update deps
Log4j2
Fixes #109, #107: authenticate on MongoDBSystem actor startup
Merge pull request #113 from ornicar/fixGroupField

fix aggregation GroupField
update dependency: play iteratee 2.2.0
'renameCollection' is an admin command
As 'renameCollection' is an admin command, complete namespace is required
Network hardware address retrieval is now checked

In some Java security manager configurations, getting hardware address could fail.
Merge pull request #119 from adrien-aubel/network-interfaces-check

Network hardware address retrieval is now checked
Merge pull request #118 from adrien-aubel/rename-collections-fix

Collections renaming fix
fix compile error:
collection.scala:159: too many arguments for constructor RenameCollection: (name: String, target: String, dropTarget: Boolean)reactivemongo.core.commands.RenameCollection
[error]   def rename(to: String, dropExisting: Boolean = false)(implicit ec: ExecutionContext): Future[Boolean] = db.command(new RenameCollection(db.name + "." + name, db.name + "." + to, to, dropExisting))
Merge pull request #122 from imikushin/fix-too-many-args-err

fix compile error