Scala 2.11; improves SqlDb object and updates to build dependencies

Scala 2.11 version, SQLite tested only

Scala 2.11 version, further testing required

Fixes #48

Adds mapping support for the NVARCHAR data types from SQLServer.

Merge pull request #29 from cbmi/sqlserver_support

Add support for MS SQLServer

Add support for BigInt Postgres Data Type

This adds support for the PostgreSQL BigInt data type but only between
Postgres databases. This is not a standard SQL type, so it has not been
extended to other databases at this time. It can easily be added if
there is a need.

text file support added

Initial File Support Merged Master

Release to support Scala 2.10. Support for 2.9.x is now removed