Start work on a better command system

Also begin work on support for commands through the Console and Command
Blocks.
I compel thee to compile!
Remove click event for commands sender cannot use.
Fix typo
Merge pull request #59 from stuntguy3000/patch-05

Remove click attribute for commands sender cannot use.
Support MCPC+ 1.6 for real this time
Merge branch 'master' of https://github.com/DSH105/HoloAPI
More command stuff
!w
/me needs sleep
Transfer all commands over to the new system

These new commands are improved and much better than they previously
were. New commands have also been added to support Command Blocks,
addressing #47
Finish migration of the commands system
Only show damage indicators for living entities. Addresses #57
Implement PR from @stuntguy3000 into new command manager
Add options to disable certain damage indicator types. Adds #49

These options will only be checked if all damage indicators are enabled
(`indicators.damage.enable`).
Use the same config name for lava damage indicators

Backwards compatibility with older versions of HoloAPI is always nice :3
Fix help pages not working. #47
Prettify the help pages
Minor tweaks to holograms
Help pages should actually work as intended now