Update src/T4/OrmLite.Core.ttinclude

Added Manager.tt from Damien Guard
Update src/T4/OrmLite.Poco.tt

Added multifile support with Manager.tt from Damien Guard added in OrmLite.Core.ttinclude
changed options back to default
Merge pull request #178 from WimAtIHomer/master

Added SplitIntoMultipleFiles option to OrmLite.Poco.tt template