Update copyright year -> 2018
Update copyright year -> 2018

astoellis/dotfiles,koerbcm/dotfiles,YepengFan/dotfiles,moofish32/dotfiles,ren/dotfiles,koerbcm/dotfiles,tchiarato/dotfiles,YepengFan/dotfiles,koerbcm/dotfiles,bschmoker/dotfiles,ren/dotfiles,toobulkeh/dotfiles,bschmoker/dotfiles,koerbcm/dotfiles,tchiarato/dotfiles,moofish32/dotfiles,astoellis/dotfiles,koerbcm/dotfiles