Minor bugfixes to install script and version number

* Silencing output from install script
* `git describe` should use lightweight tags

automation/platform_utils.py

@@ -8,12 +8,11 @@ import subprocess
 import shutil
 import json
 import time
-import sys
 import os
 
 def get_version():
     """Return OpenWPM version tag/current commit and Firefox version """
-    openwpm = subprocess.check_output(["git","describe","--always"]).strip()
+    openwpm = subprocess.check_output(["git","describe","--tags","--always"]).strip()
 
     ff_ini = os.path.join(os.path.dirname(__file__), '../firefox-bin/application.ini')
     with open(ff_ini, 'r') as f:

install.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -ev
+set -e
 
 echo "Would you like to install Adobe Flash Player? (Only required for crawls with Flash) [y,N]"
 read -s -n 1 response