Various improvements
Fixed shebang
Added `.editorconfig`
Added Sublime Text project files
Minor spacing fix
Tidied up bank filters
Minor housekeeping
`chmod -x filters.rb`
Don't use a markdown license
Removed "Notes" filter
Renamed social filters
Removed Sublime Text project file
Updated AUTHORS markdown
`bundler` is not required
Minor README changes
Removed unnecessary `mailto:` from link
Voilà!
Removed blank line
Changed variable name
Added Gemfile