Add scala 2.11 test/build verification.
* Add 2.11 build configuratoin to travis ci
* Create command which runs `safe` unit tests
* Create command to test the scala 2.11 build
* Update scalacheck to 1.11.4
* Update specs2 to 2.3.11
* Fix various 2.11/deprecation removals
and other changes.
Fix eval test failure in scala 2.11 with XML not existing.
* Modify scripted task parser to allow "pagination" of globs
e.g. "*1of3" will create three pages and run page 1.
* Modify travis definition to fragment long-running test groups
into pages so we stay under the 50 minute limit.