[#27] - Automatically install pip

#27

Allow us to automatically install pip using the `-y` flag

package/scripts/master.py

@@ -53,7 +53,7 @@ def install(self, env):
     Execute('chown -R ' + params.demo_user + ':' + params.demo_group + ' ' + demo_logging_dir)
 
     # Ensure pip is instaled
-    Execute('sudo yum install python-pip')
+    Execute('sudo yum -y install python-pip')
     Execute('pip install -r ' + '/'.join([params.demo_bin_dir, 'requirements.txt']))
     Execute('python ' + params.demo_bin_dir +  '/service.py INSTALL')