Created initial test configuration and attached to sbt project.

fix #32: Updated
Updated Example test to WordSpec with MustMatchers testing style
Updated to properly compiling example tests
Added documentation comment lines for testing frameworks
Updated build.sbt to include Spray Tests.  Created initial spray tests adapted to WordSpec and MustMatchers.
Added comments for spray test for further information on test creation
Merge branch 'master' into unittests
Merge branch 'master' into unittests
add example specs for scaffold and interpreter
Merge branch 'master' into unittests

Conflicts:
	src/main/scala/com/twitter/scaffold/Scaffold.scala
Travis needs more time
Merge pull request #71 from mergeconflict/unittests

Some basic testing specs to build upon.