Use vim-airline instead of powerline

unmanaged-vim-plug/fuzzyfinder/autoload/fuf.vim

@@ -706,6 +706,11 @@ let s:FUF_BUF_NAME = '[fuf]'
 
 "
 function s:activateFufBuffer()
+  " Save the last window number so we can switch back to it later (otherwise,
+  " at least with more recent versions of Vim, we end up with the top left
+  " window focused)
+  let s:fuf_buffer_last_winnr = winnr()
+
   " lcd . : To avoid the strange behavior that unnamed buffer changes its cwd
   "         if 'autochdir' was set on.
   lcd .
@@ -733,6 +738,7 @@ function s:deactivateFufBuffer()
     AutoComplPopUnlock
   endif
   call l9#tempbuffer#close(s:FUF_BUF_NAME)
+  exec s:fuf_buffer_last_winnr . "wincmd w"
 endfunction
 
 " }}}1

unmanaged-vim-plug/fuzzyfinder/fd41e8d68b6774324b58c02692b896a6a36a0397.patch

@@ -0,0 +1,36 @@
+From fd41e8d68b6774324b58c02692b896a6a36a0397 Mon Sep 17 00:00:00 2001
+From: David Wolever <david@wolever.net>
+Date: Thu, 1 Jun 2017 10:11:43 -0400
+Subject: [PATCH] Fix focus top left window bug
+
+With newer versions of Vim, the top left window will be focused after
+opening the fuf menu. This patch restores the window focus after the
+menu is closed.
+---
+ autoload/fuf.vim | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/autoload/fuf.vim b/autoload/fuf.vim
+index fe9e6eb..78be490 100644
+--- a/autoload/fuf.vim
++++ b/autoload/fuf.vim
+@@ -706,6 +706,11 @@ let s:FUF_BUF_NAME = '[fuf]'
+ 
+ "
+ function s:activateFufBuffer()
++  " Save the last window number so we can switch back to it later (otherwise,
++  " at least with more recent versions of Vim, we end up with the top left
++  " window focused)
++  let s:fuf_buffer_last_winnr = winnr()
++
+   " lcd . : To avoid the strange behavior that unnamed buffer changes its cwd
+   "         if 'autochdir' was set on.
+   lcd .
+@@ -733,6 +738,7 @@ function s:deactivateFufBuffer()
+     AutoComplPopUnlock
+   endif
+   call l9#tempbuffer#close(s:FUF_BUF_NAME)
++  exec s:fuf_buffer_last_winnr . "wincmd w"
+ endfunction
+ 
+ " }}}1

vimrc

@@ -44,14 +44,9 @@ Plug 'tpope/vim-rhubarb'
 Plug 'sjbach/lusty'
 if has("nvim")
 	Plug 'iCyMind/NeoSolarized'
-	Plug 'vim-airline/vim-airline'
-else
-	Plug 'powerline/powerline', {
-		\ 'branch': 'develop',
-		\ 'do': 'python3 setup.py install --user',
-		\ 'rtp': 'powerline/bindings/vim',
-		\ }
 endif
+Plug 'vim-airline/vim-airline'
+Plug 'vim-airline/vim-airline-themes'
 
 " local_vimrc
 Plug 'LucHermitte/lh-vim-lib'
@@ -194,6 +189,10 @@ endif
 let g:neosnippet#enable_snipmate_compatibility = 1
 
 
+" vim airline
+" let g:airline#extensions#tabline#enabled = 1
+
+
 " LSP
 let g:LanguageClient_autoStart = 0