Fixed vim errors

vim/vimrc

@@ -72,34 +72,12 @@ map <leader>d :GitGutterToggle<CR>
 let g:latex_to_unicode_auto = 1
 let g:default_julia_version = "1.0"
 
-" netrw
-let g:netrw_banner = 0
-let g:netrw_liststyle = 3
-let g:netrw_browse_split = 4
-let g:netrw_altv = 1
-let g:netrw_winsize = 20
-map <leader>nn :call ToggleNetrw()<CR>
-let g:NetrwIsOpen=0
-function! ToggleNetrw() abort
-    if g:NetrwIsOpen
-        let i = bufnr("$")
-        while (i >= 1)
-            if (getbufvar(i, "&filetype") == "netrw")
-                silent exe "bwipeout " . i
-            endif
-            let i-=1
-        endwhile
-        let g:NetrwIsOpen=0
-    else
-        let g:NetrwIsOpen=1
-        silent Vexplore
-    endif
-endfunction
-
 "==plugins-end
 """"""""""""""""""""""""""""
 " => General
 """"""""""""""""""""""""""""
+" fix vim-plug and vim7 compatibility
+let g:plug_threads=1
 set scrolloff=7
 set fileformats=unix,dos,mac
 set path+=**
@@ -195,6 +173,30 @@ function! HasPaste() abort
   return ''
 endfunction
 
+" netrw
+let g:netrw_banner = 0
+let g:netrw_liststyle = 3
+let g:netrw_browse_split = 4
+let g:netrw_altv = 1
+let g:netrw_winsize = 20
+map <leader>nn :call ToggleNetrw()<CR>
+let g:NetrwIsOpen=0
+function! ToggleNetrw() abort
+    if g:NetrwIsOpen
+        let i = bufnr("$")
+        while (i >= 1)
+            if (getbufvar(i, "&filetype") == "netrw")
+                silent exe "bwipeout " . i
+            endif
+            let i-=1
+        endwhile
+        let g:NetrwIsOpen=0
+    else
+        let g:NetrwIsOpen=1
+        silent Vexplore
+    endif
+endfunction
+
 """"""""""""""""""""""""""""
 " => Remaps
 """"""""""""""""""""""""""""