Added API for demo
Fix for #83: Publish our REST API via Link headers
Fix for #83: added queries for the model
Added RepoAPI controller for #83
Added DTO objects for #83
Fix for #83: added result limit of 20 and sort them
Fix for #83: render responses in XML and JSON
Properly JSON/XML-escape RepoAPI results
Bump to version 1.9
Better safety for RepoAPI
Added a version comparator, sort module versions, added Module.lastVersion
Added API for searching modules
Added unit tests for version comparison
ModuleChecker: Update to M4-style module class
ModuleChecker: support both M3 and M4 format

We need to redeploy Herd before M4 ships so the standard is still M3
Return flattened results for module name completion like for search
Bumped version to 1.10
Removed 1.7-ism since Herd currently runs on 1.6 on the server :(
Removed one more 1.7-ism
Added M4 compat info