Merge pull request #29 from joseramonc/master

Fix ruby syntax.
Prepare 0.26.0 release
Remove `.punctuation.parameters` styling

Fixes atom/solarized-dark-syntax#27, unintended coloring of opening parentheses
after `for` and `if` in C syntax, perhaps others.
Merge pull request #30 from clhynfield/fix-27

:bug: Remove `.punctuation.parameters` styling
Prepare 0.27.0 release
updated ruby todo and global variables
:bug: fix ruby interpolated strings and blocks variables