Added node modules folder to `.gitignore`.
Bumped up gulp version.
Added script to generate source files based on color table JSON.
Added `generate` task to build script.
Updated source files.
Simplified generator model.
Moved color table to project root.
Added option to specify color table through env variable.
Updated instructions.
Merged with master.
Merge pull request #17 from mrmrs/feature/generate_color_table

Added feature to dynamically generate source files