Adding documentation of options to man-page from manual. Fixing a few minor typos and mistakes.
Merge pull request #250 from ecraven/update-manpage

Adding documentation of options to man-page from manual.
first changes in adding more testable examples to ledger3.texi
Merge pull request #251 from ecraven/update-docs

first changes in adding more testable examples to ledger3.texi

These look good.  Could you put a brief explanation somewhere (not necessarily in ledger3.texi) on how to generate new tests? I should probably know where the command and input id numbers come from, but I don't.