Addition of 5 more themes

* Charcoal v1.bbcolors (https://github.com/AndrewHazelden/More-TextWrangler-and-BBEdit-Color-Schemes)
* Macdrifter.bbcolors	(https://github.com/macdrifter/BBEdit-Settings/tree/master/Styles)
* Macdrifter_Dark.bbcolors	(https://github.com/macdrifter/BBEdit-Settings/tree/master/Styles)
* Midnight Blue v1.bbcolors (https://github.com/AndrewHazelden/More-TextWrangler-and-BBEdit-Color-Schemes)
* Monokai.bbcolors (http://www.gingerbeardman.com/ via https://github.com/thiagoalessio/Monokai-BBEdit-Color-Scheme)