Cody Moore

We should have slash command functionality, see [slash command documentation](https://api.slack.com/slash-commands)

Imply DateFormatTokens based on Temporal or epochTimestamp

1

When handling `SlackDateTime` we should have a more simple implementation that accepts a single parameter and 'imply' the format based on the granularity (or if fields are supported). We should...

There are a slew of javadoc warnings that are polluting the build (ie `./gradlew clean check`). An few examples include: ``` roboslack/roboslack-api/src/main/java/com/palantir/roboslack/api/MessageRequest.java:46: warning - Tag @see: missing final '>': "message-formatting...