xmpp-webhook v0.4.0

Features

• New endpoint for Alertmanager (Thanks to @xenrox)
• Updates mellium/xmpp to v0.18.0

Breaking changes

• Renamed XMPP_RECEIVERS to XMPP_RECIPIENTS

0.3: Merge pull request #13 from opthomas-prime/slack-handler

• Switch to https://github.com/mellium/xmpp
• Rudimentary Slack-compatible handler

0.2

changes to go Module dependency management + minor changes

0.1

README draft