remove links to snake-oil certs

TelekomLabs-DCO-1.1-Signed-off-by: Edmund Haselwanter <me@ehaselwanter.com> (github: ehaselwanter)
default to false for ssl

TelekomLabs-DCO-1.1-Signed-off-by: Edmund Haselwanter <me@ehaselwanter.com> (github: ehaselwanter)
update readme with attributes and ssl info

TelekomLabs-DCO-1.1-Signed-off-by: Edmund Haselwanter <me@ehaselwanter.com> (github: ehaselwanter)
Merge pull request #4 from ehaselwanter/paramterize-and-ssl

add reame info for ssl and attributes, default ssl to false/off, remove snake-oil cert links