Negligible change to my bio in docs/internals/committers.txt
Removed BDFLs section from docs/internals/committers.txt
Removed BDFL stuff from docs/internals/contributing/bugs-and-features.txt
Remove unneded open(.., 'U') when on python 3.

Universal newlines is enabled by default on py3, and the usage of 'U' is
deprecated in py3.4.