Heres some corrections to inkpot color scheme

- numbers were blue, should be yellow
- preprocessor used wrong shade of green
- bracket matching was missing background color.
- operators were green, when this isn't so for the vim original.

reference
https://github.com/ciaranm/inkpot/



Reviewed-by: hjk <qthjk@ovi.com>
(cherry picked from commit e6ea2db6)

Change-Id: I15935ff1ed0dd04fab919f22173993bf1ebcb9b2
Reviewed-by: hjk <qthjk@ovi.com>