Fixes DOC-1220, add professional mode

Date to come from @dianahuang
Includes date

@dianakhuang , @catong , @mhoeber , @srpearce
Added note about blank mode, date format
Per Olga removed note on blank strings
Added date for audit, line wrapping only after line 660
Merge pull request #11 from edx/ahodges/doc/DOC1220

Ahodges/doc/doc1220