* code cleanup
* add auto login script for Julianahoeve beach resort (NL)
* add auto login script for Vodafone hotspots (DE)
* add auto login script for telekom hotspots (DE)
* enhance captive portal detection to support html redirects as well
* change default captive portal detection url to
'detectportal.firefox.com'
Signed-off-by: Dirk Brenken <dev@brenken.org>