docs: Use automatically retrieved version for docs

This eliminates one more hardcoded version from the repo, yay!

Makefile

@@ -71,6 +71,6 @@ $(BUILD)/%.o: %
 
 .SECONDEXPANSION:
 docs/%.html: docs/%.adoc $$(shell sed -n 's/include\:\:\(.*\)\[.*/docs\/\1/p' docs/%.adoc)
-	asciidoctor -b html5 $< -o $@
+	asciidoctor -b html5 -a version=$(VERSION) $< -o $@
 
 .PHONY: all test clean release .FORCE

docs/config.adoc

@@ -1,5 +1,4 @@
 website <http://pugixml.org>; repository <http://github.com/zeux/pugixml>
-:version: 1.6
 :toc: right
 :source-highlighter: pygments
 :source-language: c++

docs/manual.html

@@ -168,7 +168,7 @@ body.toc2{padding-left:15em;padding-right:0}
 #toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
 body.toc2.toc-right{padding-left:0;padding-right:15em}
 body.toc2.toc-right #toc.toc2{border-right-width:0;border-left:1px solid #efefed;left:auto;right:0}}@media only screen and (min-width:1280px){body.toc2{padding-left:20em;padding-right:0}
-#toc.toc2{width:30em}
+#toc.toc2{width:20em}
 #toc.toc2 #toctitle{font-size:1.375em}
 #toc.toc2>ul{font-size:.95em}
 #toc.toc2 ul ul{padding-left:1.25em}
@@ -5509,8 +5509,8 @@ If exceptions are disabled, then in the event of parsing failure the query is in
 </div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2015-03-24 10:02:58 PDT
+Last updated 2015-03-24 20:19:09 PDT
 </div>
 </div>
 </body>
-</html>
+</html>

docs/quickstart.html

@@ -1068,7 +1068,7 @@ pugixml is Copyright (C) 2006-2015 Arseny Kapoulkine.</pre>
 </div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2015-03-24 09:12:58 PDT
+Last updated 2015-03-24 20:19:09 PDT
 </div>
 </div>
 </body>