adds a mailmap to make the logs more clear (#105)
adds a mailmap to make the logs more clear (#105)

This is a minor but nice feature that makes reading certain git logs noticeably easier. It also allows for email changes without doing a rebase (which is significant if someone's contact email changes, obviously).

* adds a mailmap to make the logs more clear
* updates a few mailmap names, sorts by first name
* adds Fred Lefebvre to the mailmap
graphframes/graphframes,graphframes/graphframes,graphframes/graphframes