mc: handle FTB style start script within CurseForge subdirs

mc: upgrade mc-server-runner to launch start scripts via bash

minecraft-server/start-minecraftFinalSetup

@@ -84,9 +84,7 @@ if [[ ${TYPE} == "FEED-THE-BEAST" ]]; then
       cp -f /data/white-list.txt ${FTB_DIR}/
     fi
 
-    if [ ! -e ${FTB_DIR}/eula.txt ]; then
-      cp -f /data/eula.txt ${FTB_DIR}/
-    fi
+    cp -f /data/eula.txt ${FTB_DIR}/
 
     cat > ${FTB_DIR}/settings-local.sh <<EOF
 export MIN_RAM="${INIT_MEMORY}"
@@ -94,7 +92,7 @@ export MAX_RAM="${MAX_MEMORY}"
 EOF
 
     cd ${FTB_DIR}
-    echo "Running FTB server modpack start ..."
+    echo "Running FTB ${FTB_SERVER_START} in ${FTB_DIR} ..."
     exec mc-server-runner ${FTB_SERVER_START}
 else
   # If we have a bootstrap.txt file... feed that in to the server stdin