hugo: all URLs in small caps

hugo/content/howto/troubleshooting/index.md

@@ -120,7 +120,7 @@ CMake Error at GUI/CMakeLists.txt:18 (find_package):
 
 The error message can also complain about "Qt5Widgets" instead of "Qt5Designer".
 
-First, make sure that all Qt5 libraries are installed as required in the [build instructions]({{% relref "installation/building/Unix" %}}).
+First, make sure that all Qt5 libraries are installed as required in the [build instructions]({{% relref "installation/building/unix" %}}).
 
 If this is the case, a first possible cause for this to happen, is that `cmake` cannot find the cmake config files for the required Qt5 modules, because it doesn't know the location. This can be fixed by adding the path to the Qt5 binaries to the `PATH` environment variable:
 

hugo/content/installation/building/Windows/index.md → hugo/content/installation/building/windows/index.md

@@ -55,13 +55,13 @@ Install SWIG from the official website
 [swig.org/download.html](http://www.swig.org/download.html)
 
 Information can be found on
-[http://www.swig.org/Doc1.3/Windows.html#Windows_installation]
+[http://www.swig.org/Doc1.3/windows.html#Windows_installation]
 
 Unpack the ZIP file and add its folder to PATH (so f.e. `C:\swigwin-4.0.2`)
 
 #### Libraries
 
-Go to https://computing.mlz-garching.de/download/WinLibs
+Go to https://computing.mlz-garching.de/download/winLibs
 
 From there download:
 

hugo/content/installation/install/linux/index.md

@@ -7,6 +7,6 @@ weight = 30
 
 BornAgain is available as a Debian/Ubuntu package on [packages.debian.org/stable/science/bornagain](https://packages.debian.org/stable/science/bornagain).
 
-For other distributions, see [build instructions]({{% relref "installation/building/Unix/" %}}).
+For other distributions, see [build instructions]({{% relref "installation/building/unix/" %}}).
 
 {{% children  %}}

hugo/content/installation/install/macos/_index.md

@@ -8,7 +8,7 @@ weight = 20
 For Mac OS X, we provide a 64-bit binary .dmg installer,
 and also support build and installation from source.
 To build BornAgain from source by yourself follow the
-[build instructions for Unix]({{% relref "installation/building/Unix" %}}) section.
+[build instructions for Unix]({{% relref "installation/building/unix" %}}) section.
 
 The rest of this section explains how to install BornAgain using the `.dmg` installer.