Revert "Remove unreachable code."

This reverts commit 81e67c14599f15d97bb4e52a8d9920ad01ca640e.

(For Debian stable, which is stuck on Go 1.0)
Merge pull request #9 from schulze/master

Remove comment about disabling archiving of messages.
Typo fix.

Thanks to Frithjof Schulze for noticing.
Make the Go license explicit.

Fixes #10
Add LICENSE
Flesh out Entity Capabilities (XEP-0115)
Allow sending and receiving of custom stanzas
Tweak some internal names.
Merge remote-tracking branch 'upstream/master'