RainbowDrops.epf missing Python operator/paren color and has incorrect matching brackets color

OPERATORS_COLOR and PARENS_COLOR are not set. EDITOR_MATCHING_BRACKETS_COLOR is set to the parens/bracket color for other supported languages.

Before:
![rainbowdrops-missing](https://cloud.githubusercontent.com/assets/195061/3377289/e9696ccc-fbdd-11e3-8efb-5539ec6025ea.PNG)
After:
![rainbowdrops-fixed](https://cloud.githubusercontent.com/assets/195061/3377294/ecba4716-fbdd-11e3-8a48-21111d4c9086.PNG)