all: misc changes from the last few months

vimrc

@@ -94,6 +94,7 @@ Bundle 'tikhomirov/vim-glsl'
 Plugin 'rust-lang/rust.vim'
 Plugin 'kchmck/vim-coffee-script'
 Plugin 'isRuslan/vim-es6'
+Plugin 'zig-lang/zig.vim'
 
 " Custom bundles
 if filereadable(expand("~/.vim.local/bundles.vim"))
@@ -639,3 +640,4 @@ endif
 " }}}
 
 let g:syntastic_carp_checkers = ['carp']
+command Cr !carp -x %