Cherry-pick the changes from dev -- part6

LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2008-2010 Maxim Kim
+              2013-2017 Daniel Schemala
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

autoload/vimwiki/base.vim

@@ -1129,7 +1129,7 @@ function! vimwiki#base#follow_link(split, reuse, move_cursor, ...) "{{{
 
       " remove the extension from the filename if exists, because non-vimwiki
       " markdown files usually include the extension in links
-      let lnk = substitute(lnk, vimwiki#vars#get_wikilocal('ext').'$', '', '')
+      let lnk = substitute(lnk, '\'.vimwiki#vars#get_wikilocal('ext').'$', '', '')
     endif
 
     let current_tab_page = tabpagenr()

autoload/vimwiki/diary.vim

@@ -65,7 +65,7 @@ fun! s:read_captions(files) "{{{
   let rx_header = vimwiki#vars#get_syntaxlocal('rxHeader')
   for fl in a:files
     " remove paths and extensions
-    let fl_key = fnamemodify(fl, ':t:r')
+    let fl_key = substitute(fnamemodify(fl, ':t'), vimwiki#vars#get_wikilocal('ext').'$', '', '')
 
     if filereadable(fl)
       for line in readfile(fl, '', s:vimwiki_max_scan_for_caption)

doc/vimwiki.txt

@@ -1229,14 +1229,9 @@ LaTeX code).
 Note: the highlighting in Vim is automatic. For the rendering in HTML, you
 have two alternative options:
 
-1. using the MathJax server for rendering (needs internet connection).
+1. installing MathJax locally (Recommended: faster, no internet required).
-Add to your HTML template the following line:
+Choose a folder on your hard drive and save MathJax in it. Then add to your
-
+HTML template the following line:
-<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
-
-2. installing MathJax locally (faster, no internet required). Choose a
-folder on your hard drive and save MathJax in it. Then add to your HTML
-template the following line:
 
 <script type="text/javascript" src="<mathjax_folder>/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
 
@@ -1251,6 +1246,11 @@ template folder. For instance, a sensible folder structure could be:
 
 In this case, <mathjax_folder> would be "../mathjax" (without quotes).
 
+2. Loading MathJax from a CDN-server (needs internet connection).
+Add to your HTML template the following line:
+
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/config/TeX-AMS-MML_HTMLorMML.js"></script>
+
 
 ------------------------------------------------------------------------------
 5.9. Blockquotes                                  *vimwiki-syntax-blockquotes*
@@ -2850,6 +2850,19 @@ Contributors and their Github usernames in roughly chronological order:
     - @wangzq
     - Jinzhou Zhang (@lotabout)
     - Michael Riley (@optik-aper)
+    - Irfan Sharif (@irfansharif)
+    - John Conroy (@jconroy77)
+    - Christian Rondeau (@christianrondeau)
+    - Alex Thorne (@thornecc)
+    - Shafqat Bhuiyan (@priomsrb)
+    - Bradley Cicenas (@bcicen)
+    - Michael Thessel (@MichaelThessel)
+    - Michael F. Schönitzer (@nudin)
+    - @sqlwwx
+    - Guilherme Salazar (@salazar)
+    - Daniel Trnka (@trnila)
+    - Yuchen Pei (@ycpei)
+    - @maqiv
 
 
 ==============================================================================
@@ -3097,10 +3110,11 @@ http://code.google.com/p/vimwiki/issues/list
 ==============================================================================
 16. License                                                  *vimwiki-license*
 
-The MIT Licence
+The MIT License
 http://www.opensource.org/licenses/mit-license.php
 
 Copyright (c) 2008-2010 Maxim Kim
+              2013-2017 Daniel Schemala
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal