Made README (a little) more useful.

README.md

@@ -5,12 +5,35 @@ generated using Luminus version "3.54"
 A web-app intended to be used by pastoralists in managing
 pastures, grazing, and animals.
 
+## WARNING
+
+Preliminary code; nothing at all works yet.
+
 ## Prerequisites
 
 You will need [Leiningen][1] 2.0 or above installed.
 
 [1]: https://github.com/technomancy/leiningen
 
+## Building
+
+To generate the majority of the code, run
+
+    lein adl
+
+**NOTE THAT** currently this relies on development versions of the ADL framework; in order to work for you locally, this requires that you check out the development branches of each of
+
+1. [adl-support](https://github.com/simon-brooke/adl-support/)
+2. [adl](https://github.com/simon-brooke/adl); and
+3. [lein-adl](https://github.com/simon-brooke/lein-adl)
+
+And, in each repository in the order listed above, run
+
+    lein test
+    lein install
+
+All tests should pass. This will install the development versions locally.
+
 ## Running
 
 To start a web server for the application, run: