Updated ScalaTest dependencies. Updated to version 1.0.2. Changed publish
target to BinTray.
Ignore IDEA files.
Updated to SBT 0.13.5
Added BinTray, gen-idea plugins.
Modified tests for new version of ScalaTest. Added new EmailHandlerSpec test.
Updated for latest version of grizzled.scala.Configuration.
Removed code smell of case-matching against Option types.