Minor formatting change
Update to conform (mostly) to scalastyle.

Change to a simple build configuration.
Add scalastyle and fix a good number of warnings;
   however, some of the warnings are by design or
   are in-line with the scala coding standards.
Run all the sources through scalariform
Merge branch 'scalastyle'

Conflicts:
	src/main/scala/org/thisamericandream/collections/BPlusTree.scala