Add build instructions (opentracing#18)

lookfwd · yurishkuro · commit 3d5e736bc08a · 2016-12-05T19:57:32.000-08:00
* more proper way
diff --git a/README.md b/README.md
@@ -3,3 +3,10 @@
 # Basictracer Python
 
 A python version of the "BasicTracer" reference implementation for OpenTracing.
+
+## Build, install and run tests
+
+```
+make bootstrap; make test
+```
+
