remove debian directory from master
added skeleton for generic client wizard flow
moved srp registration to base

and some minor changes in wizard, like textentry for provider.
Merge branch 'develop' into feature/generic-wizard
catch cert verification errors and ask user for trust

with a little helper function using gnutls
openvpn commands cleanup
logic for cert validation widgets in wizard
add more digest functions

separate get_cert and get_fingerprint functions
added separator
download ca cert from provider
ca cert fingerprint check + api cert verification
srp authentication class + useful decorator
add bug number in log for #638 cases (domain name mismatch)
added docs
connecting page

and changes to functions having to do with  the default
path to certs.
add bypass for already trusted fingerprints
password confirmation
allow to test auth from cli
Test HTTPS Server in place and returning canned responses.
But verification failing.
save geometry (was badly merged)
sign up branch ends by triggering eip connection

still need to bind signals properly, and block on the validation
process until we receive the "connected" signal. but the basic flow
is working again, i.e, user should be able to remove the .config/leap
folder and get all the needed info from the provider.