Replace airline with lightline (much better perfomance)

sources_non_forked/lightline.vim/test/.themisrc

@@ -0,0 +1,20 @@
+let s:sids = {}
+function! s:sid(path) abort
+  if has_key(s:sids, a:path)
+    return s:sids[a:path]
+  endif
+  redir => scriptnames
+    silent! scriptnames
+  redir END
+  for line in split(scriptnames, '\n')
+    if line =~# a:path
+      let sid =  matchstr(line, '\v^\s*\zs\d+\ze')
+      let s:sids[a:path] = sid
+      return sid
+    endif
+  endfor
+endfunction
+
+function! SID(name) abort
+  return function(printf("\<SNR>%d_%s", s:sid('autoload/lightline.vim'), a:name))
+endfunction