- Support for domains longer than 3 segments (ex. 1.www.mydomain.com).
- No need for GODADDY_BASE.  Domain will be automatically determined from full RR name.
- Update to delete challenge records.

PUT now requires a relative domain name.
GET changed the order of name and data in the JSON.

Note: Due to the API changes, you may need to add
GODADDY_BASE to getssl.cfg.  This is a space-separated
list of base domain names (zones) in which the challenge
responses are entered.  There doesn't seem to be a way
around this that works in all cases, as the GoDaddy API
requires that the zone name be known.

all files

Simplifies installation; private directory no longer required since
the scripts don't need to be customized.

-v makes sure that the installer knows what is happening.

Uses the GoDaddy "Developer" API to add and remove the ACME challenge
records.