<Model> Add human-readable name to devices.
<Model> measureType: int -> String
<WebServices> GET /sensors + GET /actuators: possible to add conditions on type and/or customId.
<WebServices> Simple Rule Creation Service.
Merge remote-tracking branch 'upstream/master' into webServices
<Webserver> Loading already-added devices when server starts.
Merge pull request #5 from Aldream/webServices

Various Small Fixes