Mention that ~/.atom/.apm/.apmrc is auto-generated
Mention that ~/.atom/.apm/.apmrc is auto-generated

Closes #313

ethanp/apm,gutsy/apm,bcoe/apm,ethanp/apm,fscherwi/apm,bronson/apm,AtaraxiaEta/apm,AtaraxiaEta/apm,pusateri/apm,fscherwi/apm,gutsy/apm,pusateri/apm,VandeurenGlenn/apm,pusateri/apm,ethanp/apm,jlord/apm,ethanp/apm,jlord/apm,gutsy/apm,atom/apm,VandeurenGlenn/apm,Nikpolik/apm,atom/apm,Nikpolik/apm,Nikpolik/apm,fscherwi/apm,pusateri/apm,jlord/apm,fscherwi/apm,AtaraxiaEta/apm,atom/apm,bronson/apm,ethanp/apm,fscherwi/apm,jlord/apm,bcoe/apm,gutsy/apm,bronson/apm,VandeurenGlenn/apm,ethanp/apm,bcoe/apm,bronson/apm,Nikpolik/apm,fscherwi/apm,VandeurenGlenn/apm,AtaraxiaEta/apm,atom/apm,jlord/apm,bcoe/apm,AtaraxiaEta/apm,bcoe/apm,VandeurenGlenn/apm,AtaraxiaEta/apm,bcoe/apm,pusateri/apm,jlord/apm,VandeurenGlenn/apm,pusateri/apm