Add dict function
Add sha1 function
Add "json" function
Add "last"
Run go fmt
Add "Templating" section to the README
Remove unused import (d'oh!)
Merge pull request #32 from md5/add-functions

Add functions
s/nginx-proxy/docker-gen/ in template docs
Update to latest fsouza/go-dockerclient for TLS
Add support for TLS

* New parameters: -tlscert, -tlskey, -tlscacert, -tlsverify
Use go-dockerclient AddEventListener api