added comments describing how to ensure obtuse angle
Revert "Fixed import error message"

This reverts commit 364d8abb67e9c92c733e704a7a7cec01e641ace4.
Merge branch 'master' of git://github.com/Pymol-Scripts/Pymol-script-repo
Merge branch 'master' of https://github.com/Pymol-Scripts/Pymol-script-repo
Merge branch 'master' of https://github.com/Pymol-Scripts/Pymol-script-repo
Merge branch 'master' of https://github.com/Pymol-Scripts/Pymol-script-repo
Added colorblindfriendly.py, which sets a series of colors unambiguous to both colorblind and non-colorblind individuals.
remove TODO message from colorblind friendly.  Clean up a couple comments in elbow_angle.
Merge pull request #49 from jaredsampson/master

Add Color Blind Friendly colors with colorblindfriendly.py