Updated plugins. Switched to Ack as standard search tool (much better than grep/vimgrep)

sources_non_forked/vim-airline/autoload/airline/extensions/netrw.vim

@@ -0,0 +1,32 @@
+" MIT License. Copyright (c) 2013-2014 Bailey Ling.
+" vim: et ts=2 sts=2 sw=2
+
+if !exists(':NetrwSettings')
+  finish
+endif
+
+function! airline#extensions#netrw#apply(...)
+  if &ft == 'netrw'
+    let spc = g:airline_symbols.space
+
+    call a:1.add_section('airline_a', spc.'netrw'.spc)
+    if exists('*airline#extensions#branch#get_head')
+      call a:1.add_section('airline_b', spc.'%{airline#extensions#branch#get_head()}'.spc)
+    endif
+    call a:1.add_section('airline_c', spc.'%f'.spc)
+    call a:1.split()
+    call a:1.add_section('airline_y', spc.'%{airline#extensions#netrw#sortstring()}'.spc)
+    return 1
+  endif
+endfunction
+
+function! airline#extensions#netrw#init(ext)
+  let g:netrw_force_overwrite_statusline = 0
+  call a:ext.add_statusline_func('airline#extensions#netrw#apply')
+endfunction
+
+
+function! airline#extensions#netrw#sortstring()
+  let order = (g:netrw_sort_direction =~ 'n') ? '+' : '-'
+  return g:netrw_sort_by . (g:airline_symbols.space) . '[' . order . ']'
+endfunction