Make test-logs.sh more convenient to use

test-logs.sh is convenient to locally test things, this makes it a bit
more convenient to use:
- Make it executable (chmod +x)
- Make it use a virtualenv
- Make it install ARA if it's not installed
- Make it store logs in temporary directories
- Make it use ansible_connection: local instead of a literal SSH
  connection to localhost

Change-Id: Ic2f6403500e2c818d20a90d95395d38959051cb1
1 file changed