Remove capsule collision from README major features
Have CG_R_ADDPOLYBUFFERTOSCENE return 0 instead of break

The break caused return 0 to happen after the switch, but it's inconsistent for no reason.
Fix team chat placement in narrow views
Limit cg_teamChatHeight to valid range

It's checked before it's used, but this helps make it clear to the user what the range is.
Merge branch 'master' of https://github.com/zturtleman/spearmint