* Move keys to models/keys
* Rename models/keys -> models/asymkey
* change the missed package name
* Fix package alias
* Fix test
* Fix docs
* Fix test
* Fix test
* merge
modules/private/serv.go has two major functions that are missing testcases to ensure
that Deploy and normal SSH keys work correctly.
This PR adds some basic integration tests for these.
Signed-off-by: Andrew Thornton <art27@cantab.net>