Removed release tests because this all needs to be completed.
Simplify the discovery script.

Ensure the script works also when the HUE_BRIDGE and HUE_KEY are not set. Since we're trying to discover the bridge IP we cannot set is before we run this script.
Added missing dependency.

The LWP::Protocol::https module depency was missing. If it is not installed the https GET request to www.meethue.com fails in the nupnp function.
fixed coding style