update vimrc stuff

vimrc/install.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+mkdir -p ~/.vim/swap
+mkdir -p ~/.vim/backup
+mkdir -p ~/.vim/undo
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+if [[ ! -e ~/.vimrc ]]; then
+    cat "$DIR/vimrc" > ~/.vimrc
+fi

vimrc/vimrc

@@ -1,6 +1,3 @@
-#!/bin/sh
-
-cat > ~/.vimrc <<'EOF'
 "execute pathogen#infect()
 
 set number
@@ -98,9 +95,3 @@ let python_no_number_highlight = 1
 let python_space_error_highlight = 1
 
 let g:flake8_show_in_gutter=1  " show
-
-EOF
-
-mkdir -p ~/.vim/swap
-mkdir -p ~/.vim/backup
-mkdir -p ~/.vim/undo