Fixes highlighting color for Light scheme.

Light scheme was using base02 color for highlighting, when Solarized
specs clearly state that it is base2 the one that must be used for this
purpose.
Merge pull request #53 from albertboada/master

[Light] Fixes highlighting selection color for Light scheme.
Update README.mkd

updated contributors albertboada
Added gutter theming.
Merge pull request #51 from mattdicarlo/master

Added string.quoted.double.block.python scope to color Python docstrings as comments.
Merge pull request #54 from feju/master

Added gutter theming