Reload command should not require mic toggle

Change the 'force natlink to reload all grammars' command to work
without toggling the mic and also reload all modules and packages in
the macro directory.
Rename vim grammar and mention reload.
Merge pull request #73 from calmofthestorm/readme

Rename vim grammar and mention reload.
Add Alias class for managing aliases.
Integrate new Alias class into make_grammar_commands.