Merge pull request #12 from rinmalavi/2.11.x

Added default null record unpacking, removed iorc,
Removed JRebel support
Removed IORC (horrible performance on 2.10+, needs complete rewrite)
Removed pgscala-pool. Refactored project setup for Scala 2.11.2
Added defaultValues to non-nullable converters when converting from a null value.
Moved generated sources from main into generated folders.
Fixed and updated all unit tests.
Removed configrity, c3p0 dependencies.
Re-added org.pgscala package object with Implicits
Do not log lack of prepared parameters.
Sonatype publish as one jar.