updated titles of download os pages to fix broken image links and bad…

… titles (#238)

Fix broken images and titles

content/download/linux.en.md

@@ -1,5 +1,5 @@
 ---
-title: "GRASS GIS for Linux"
+title: "Linux"
 date: 2020-12-21T11:02:05+02:00
 description: "Download GRASS GIS packages for your favorite Linux distribution"
 weight: 1

content/download/mac.en.md

@@ -1,5 +1,5 @@
 ---
-title: "GRASS GIS for Mac"
+title: "Mac"
 date: 2020-12-21T11:02:05+06:00
 description: "Download bundled GRASS GIS binaries for your Mac"
 weight: 3
@@ -9,7 +9,7 @@ layout: "os"
 #### Quick links
 
 [ [**GRASS GIS 7.8.5 (current)**](#GRASS-GIS-current) | [**GRASS 7.6.1 (old)**](#GRASS-GIS-old) | [**GRASS 7.9 devel**](#GRASS-GIS-devel) ]
-  
+
 
 <div class="alert rounded-0 alert-default">
 <i class="fa fa-arrow-right"></i> Find <b>GRASS GIS binaries</b> on this website: <a href="http://grassmac.wikidot.com" target="_blank"> GRASS GIS for the Mac </a>
@@ -30,7 +30,7 @@ layout: "os"
 
 <hr>
 
-### <a name="GRASS-GIS-old"></a> GRASS GIS 7.6.1 (old) 
+### <a name="GRASS-GIS-old"></a> GRASS GIS 7.6.1 (old)
 
 <div class="alert rounded-0 alert-warning">
 <i class="fa fa-info-circle"></i> <u>Old stable release</u>, see <a href="https://trac.osgeo.org/grass/wiki/Grass7/NewFeatures76">GRASS GIS 7.6 new features</a> and  <a href="https://trac.osgeo.org/grass/wiki/Release/7.6.1-News">GRASS GIS 7.6.1 announcement</a> for more information.

content/download/windows.en.md

@@ -1,12 +1,12 @@
 ---
-title: "GRASS GIS for Windows"
+title: "Windows"
 date: 2020-12-21T11:02:05+02:00
 description: "Download GRASS GIS installers for Windows"
 weight: 2
 layout: "os"
 ---
 
-  
+
 #### Quick links
 
 [ [**Standalone installers**](#standalone-installers) | [**OSGeo4W**](#OSGeo4W) ]
@@ -62,19 +62,19 @@ Standalone installer: install GRASS GIS with the required support packages.
 
 ### <a name="OSGeo4W"></a> OSGeo4W
 
-OSGeo4W is an installer for a broad set of open source geospatial software packages including GRASS GIS as well as many other packages (QGIS, GDAL/OGR, and more). 
+OSGeo4W is an installer for a broad set of open source geospatial software packages including GRASS GIS as well as many other packages (QGIS, GDAL/OGR, and more).
 
-*  [<i class="fa fa-download"></i> Download OSGeo4W 64bit](http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe) 
+*  [<i class="fa fa-download"></i> Download OSGeo4W 64bit](http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe)
 *  [<i class="fa fa-download"></i> Download OSGeo4W 32bit](http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86.exe)
 
 ##### Express Desktop Install mode:
 
 Run the downloaded installer as administrator and select the **grass** (stable) or **grass-daily** (development) packages to install. All needed dependencies (e.g. GDAL, common python packages) will be automatically downloaded.
 
 ##### Advanced Install mode:
-All packages can be individually selected and additional useful packages (e.g. python-pandas, msys) are available, too. 
+All packages can be individually selected and additional useful packages (e.g. python-pandas, msys) are available, too.
 
-##### Command line mode: 
+##### Command line mode:
 Installation can also be done through command line, as shown below:
 
 <pre style="background-color:#CCCCCC">
@@ -83,5 +83,5 @@ osgeo4w-setup-x86_64.exe -q -k -P grass -s http://download.osgeo.org/osgeo4w/x86
 
 See the dedicated [wiki page](https://grasswiki.osgeo.org/wiki/Installation_Guide#OSGeo4W_installer) for further details.
 
-##### QGIS users: 
+##### QGIS users:
 In order to have GRASS GIS support (also in QGIS-Processing) as well as the "With GRASS" shortcut you need to install the "qgis-grass-plugin*" packages.