Update README.md

Adding helpful hints!
colors
Merge branch 'master' of https://github.com/davy/benchmark-test
Removing style from parser, updating data
Merge pull request #1 from davy/master

Removing style from parser, updating data
merge conflicts, recompile geojson data to remove style information
bleh
json structure
another round of cherry picked commits
more and more
dem styles
slider back
nuke sass cache
readme reset
parser reset
Merge pull request #8 from nikolaswise/v2

third times the charm