Update bbb-install.sh

Fix issue bigbluebutton#265 (1/2): Add function to create home directory structure if it doesn't exist.

bbb-install.sh

@@ -716,6 +716,20 @@ configure_HTML5() {
   sed -i 's/swfSlidesRequired=true/swfSlidesRequired=false/g'                    $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties
 }
 
+install_home(){
+  # Create home directory structure if it does not exist yet and user
+  # bigbluebutton is available
+  if [ ! -d ~bigbluebutton ]; then
+    if getent passwd bigbluebutton >/dev/null; then
+      mkdir -m 750 \
+        ~bigbluebutton \
+        ~bigbluebutton/.cache \
+        ~bigbluebutton/.cache/dconf
+      chown -R bigbluebutton:bigbluebutton ~bigbluebutton
+    fi
+  fi
+}
+
 install_greenlight(){
   install_docker