Move C mode and Python external mode initialization code to individual functions.
Move C mode and Python external mode initialization code to individual functions.

benjifisher/editorconfig-vim,pocke/editorconfig-vim,VictorBjelkholm/editorconfig-vim,VictorBjelkholm/editorconfig-vim,johnfraney/editorconfig-vim,benjifisher/editorconfig-vim,VictorBjelkholm/editorconfig-vim,johnfraney/editorconfig-vim,pocke/editorconfig-vim,pocke/editorconfig-vim,benjifisher/editorconfig-vim,johnfraney/editorconfig-vim