add windows download link for ninja to INSTALL

Author: jef-n

INSTALL

@@ -1,10 +1,10 @@
 QGIS
 Building QGIS from source - step by step
-Wednesday February 22, 2017
+Monday March 13, 2017
 
 
-Last Updated: Wednesday February 22, 2017
-Last Change : Thursday January 12, 2017
+Last Updated: Monday March 13, 2017
+Last Change : Monday March 13, 2017
 
 
   1. Introduction
@@ -429,6 +429,7 @@ Download and install following packages:
   | CMake | https://cmake.org/files/v3.7/cmake-3.7.2-win64-x64.msi |
   | GNU flex, GNU bison and GIT | http://cygwin.com/setup-x86.exe (32bit) or http://cygwin.com/setup-x86_64.exe (64bit) |
   | OSGeo4W | http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86.exe (32bit) or http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe (64bit) |
+  | ninja | https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip |
 
 OSGeo4W does not only provide ready packages for the current QGIS release and
 nightly builds of master, but also offers most of the dependencies needs to

doc/INSTALL.html

@@ -77,13 +77,13 @@
 <DIV CLASS="header" ID="header">
 <H1>QGIS</H1>
 <H2>Building QGIS from source - step by step</H2>
-<H3>Wednesday February 22, 2017</H3>
+<H3>Monday March 13, 2017</H3>
 </DIV>
 
 <DIV CLASS="body" ID="body">
 <P>
-Last Updated: Wednesday February 22, 2017
-Last Change : Thursday January 12, 2017
+Last Updated: Monday March 13, 2017
+Last Change : Monday March 13, 2017
 </P>
 <DIV CLASS="toc">
 
@@ -691,6 +691,10 @@ <H3>4.1.2. Other tools and dependencies</H3>
 <TD>OSGeo4W</TD>
 <TD><A HREF="http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86.exe">http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86.exe</A> (32bit) or <A HREF="http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe">http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe</A> (64bit)</TD>
 </TR>
+<TR>
+<TD>ninja</TD>
+<TD><A HREF="https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip">https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip</A></TD>
+</TR>
 </TABLE>
 
 <P>

doc/msvc.t2t

@@ -22,6 +22,7 @@ Download and install following packages:
 | CMake | https://cmake.org/files/v3.7/cmake-3.7.2-win64-x64.msi |
 | GNU flex, GNU bison and GIT | http://cygwin.com/setup-x86.exe (32bit) or http://cygwin.com/setup-x86_64.exe (64bit) |
 | OSGeo4W | http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86.exe (32bit) or http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe (64bit) |
+| ninja | https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip |
 
 OSGeo4W does not only provide ready packages for the current QGIS release and
 nightly builds of master, but also offers most of the dependencies needs to