changed install.sh to use master branch

faafo/contrib/install.sh

@@ -153,7 +153,7 @@ if [[ -e /etc/os-release ]]; then
 
         # HSFD changed to local repo
         #git clone https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples
-        git clone --branch dev_faafo https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples
+        git clone https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples
         cd cloud-computing-msc-ai-examples/faafo
         # following line required by bug 1636150
         sudo pip install --upgrade pbr