Update vimrc and change leader key

.vimrc

-let mapleader=" "
-
+let mapleader=","
 set nocompatible
 
 " Initialize Pathogen
@@ -86,9 +85,12 @@ let g:ctrlp_custom_ignore = {
 let g:erlangCheckFile = "~/.vim/bundle/vimerl/compiler/erlang_check_file.erl"
 let g:erlangHighlightErrors = 1
 
+" Go Settings
+let g:go_fmt_command = "goimports"
+
 " Use Ag instead of Ack
 let g:ackprg = 'ag --nogroup --nocolor --column'
 
 " Disable Swap and Backup Files
 set noswapfile
-set nobackup
+set nobackup
\ No newline at end of file