Details:
- Prepened comment headers containing license a copyright/license
  reference to most .c and .h files in:
  - src/base
  - src/blas
  - src/lapack
  - src/map/lapack2flamec (subdirectories excluded)
  - test
  - examples
  - lapack-test/fla-timing
  - lapack-test/play
- Updated Makefile to remove contents of include_local upon executing
  'clean' or 'distclean' targets.
- Minor update to LICENSE and AUTHORS files.
- Minor updates to build/template license files.