- moved doc directory to root

- changed README.md

README.md

 # Background
 
-This repository is a distribution of the Extended State Machine (ESM) Editor
-and the ESM Intepreter.
+This repository is a distribution of the Extended State Machine (ESM) editor
+and the ESM intepreter.
 
 The software system in this repository is based on ideas and research
 by Torsten Merz, Piotr Rudol, Mariusz Wzorek and Patrick Doherty which
@@ -53,10 +53,8 @@ qmake
 make
 ```
 
-## Common Task Library
+## Compiling the ESM interpreter library
+
+See README file in smi directory.
+
 
-First compile the task library that is common for all machines:
-```bash
-cd ui/tests/tasklib
-make
-```