Switch lift-mongo to use MongoClient(Options).

This might not be as straightforward as other deprecation
warnings; feedback needed.
Fix type erasure warnings in lift-mongodb-record.
erasure->runtimeClass in lift-mongodb-record.
Fix postfix operator warnings in lift-mongodb-record.
Fix postfix operator warnings in lift-squeryl-record.
erasure->runtimeClass in lift-squeryl-record.
Switch Mongo specs to use MogoClient(Options).
Fix wildcard exception warning in MongoTestKit.
Fixed mongo tests.
Merge remote-tracking branch 'origin/deprecator-exterminator' into vhs-recorder
Merge pull request #1540 from lift/vhs-recorder

VHS recorder: Fix src warnings in lift-mongodb, lift-mongodb-record, and lift-squeryl-record