Initial commit flash lib + test. Datasheets.

Initial commit of Flash Library with tests.  Tests will exercise the entire flash chip.  Tests were implemented and run on 1M chip.  Other chips will be verified at a later time. Added datasheets for 1M, 2M, 4M, 8M, 16M, and 32M chips. Update mooltipass.c and defines.h.  Code compiles, uploads, and runs.