fix single line comments highlighting
highlight multi-line comments
fix nested literals highlighting
minor style fix
highlight symbols in hash syntax as identifiers
Merge pull request #193 from alexherbo2/javascript-rc

javascript.kak: highlight comments
Merge pull request #194 from alexherbo2/ruby-rc

ruby.kak: code maintenance
:edit! without argument reload current buffer
Change autoinfo option to be an integer, allowing different levels
Add docstring for normal mode commands and display them if autoinfo >= 2
Fix select_number
Rename ColorPair to Face and ColorRegistry to FaceRegistry

Face also stores the attributes
highlight '$' identifiers
Support attributes in face specifications
Rename :colalias to :face and update documentation
Refactor RegexColorizers face handling
Rename RegexColorizer to RegexHighlighter
Do not resolve faces in highlighter factories, defer to actual highlighting
Use a region for c++ macro highlighting
Rename 'macro' face to more general 'meta'

As it is used in python/ruby for 'import' which is not really
a macro.