atom/atom — pull request #3338 by nathansobo (2014-08-19 18:14:46+00:00)
Title: Change ctrl-a binding to editor:move-to-first-character-of-line

Considering that the entire Atom core team has ctrl-a bound to move to the first character and it's also the the default behavior of Sublime, this seems like a more sensible and useful default option even though it deviates from text editing norms on OS X.