Add option -h to dump complete set of supported commands

Usage: ./proxmark3 -h
Display both offline & online commands, online commands are flagged.

git-svn-id: https://proxmark3.googlecode.com/svn/trunk@850 ef4ab9da-24cd-11de-8aaa-f3a34680c41f
Fixes to implement generation of markdown auto-generated documentation
Fix offline column in help dump
Fix description in help dump
Provide option -m for markdown help dump, -h for text dump
Restore original inline help behavior as we've now separate fcts for -h/-m
Markdown help: use fixed column width
Merge pull request #9 from doegox/addhelpm

Merged Addhelp -h / Markdown help -m, it now does not crash on windows (http://www.proxmark.org/forum/viewtopic.php?pid=10461#p10461)