Remove directories on failure

src/freedombone-app-ghost

     wget https://ghost.org/zip/ghost-${GHOST_VERSION}.zip
     if [ ! -f ghost-${GHOST_VERSION}.zip ]; then
         echo $'Unable to download ghost'
+        rm -rf /var/www/$GHOST_DOMAIN_NAME
         exit 63892
     fi
     unzip ghost-${GHOST_VERSION}.zip
     if [ ! -f /var/www/${GHOST_DOMAIN_NAME}/htdocs/index.js ]; then
         echo $'ghost failed to unzip'
+        rm -rf /var/www/$GHOST_DOMAIN_NAME
         exit 63835
     fi
 
     if [ ! "$?" = "0" ]; then
         function_check remove_nodejs
         remove_nodejs ghost
+        rm -rf /var/www/$GHOST_DOMAIN_NAME
         echo $'Failed to install ghost'
         exit 7383563
     fi