Merge pull request #1165 from cbworden/ver_4_1_beta

Tied install to latest commit of OpenQuake; will tag as v4.1_beta1

Author: cbworden

install.sh

@@ -228,7 +228,7 @@ fi
 
 # Install OQ from github to get NGA East since it isn't in a release yet.
 echo "Installing OpenQuake from github..."
-pip install --upgrade git+https://github.com/gem/oq-engine
+pip install --upgrade git+https://github.com/gem/oq-engine@0bb92b111ebb0d2c3969abf4b4de73777c095f92
 if [ $? -ne 0 ];then
     echo "Failed to pip install OpenQuake. Exiting."
     exit 1