Added build info in README

README

@@ -22,6 +22,18 @@ Laydi is a python program, and as such, python will build compiled versions
 of each .py file as it loads them. You do not need to explicitly compile the
 program.
 
+If you have just checked out the program to a directory named laydi, e.g. with
+the command:
+
+svn co https://dev.pvv.org/svn/projects/laydi/trunk laydi
+
+you can run it by typing:
+
+cd laydi
+build --prefix=`pwd`/build
+make
+run-laydi
+
 TODO
 ----
 The current TODO list can be found on