* add a kdav image
* do not install composer into the docker image
instead use a multi stage build that copies the resulting directory into the final image
* set default version in compose
resolves#54
* refactor ssl generation
make ssl certificate names match container names
add dns names to certificates
* add example to run meet and its dependencies together with an existing kopano
* update webapp example
* remove port numbers from ssl cert
as these could have been specified in a demo environment
* set default values for HTTP, HTTPS and EMAIL
fail if FQDN is unset
make smtp and kopano-server ports configurable
* add hint about 2015 to setup.sh
* also add new defaults to webapp compose
* add example for standalone core as well
