Update mono-install-scripts/fedora/install_mono-master.sh

making this script match Denise' contribution.

Author: Nathan Bridgewater

mono-install-scripts/fedora/install_mono-master.sh

@@ -39,7 +39,8 @@ cd $BUILDDIR
 echo Cloning projects
 for i in "${SOURCES[@]}"
 do
-git clone $i
+git clone --depth 1 --branch master  $i 
+git submodule update --init --recursive
 done
 
 echo