Fix Linux and BSD section formatting
Additional typo and formatting fixes

For example, fixed the card type table which wasn't showing as a table.
Fix another typo in Usermanual
Merge branch 'userman-linux-fix' of https://github.com/mattkelly/Cockatrice into userman-linux-fix
Merge pull request #53 from mattkelly/userman-linux-fix

Fix Linux and BSD section formatting