build-with-colors: moar colors

- rename CL_PFX and CL_INS to better match the
  colors they show.
- add more colors.
Output of:
- most host stuff is yellow
- most target stuff is green
- installing/copying files is cyan
- import/export includes and notice files is cyan
- bootimage/recoveryimage is cyan
- and some more colors in many places ;)

based on http://review.cyanogenmod.org/#/c/24785/