nlsr: Update to the latest (master branch) version

Change-Id: I17e2d6993fbd174599f63feafe14c94983ddadff
diff --git a/nlsr/debian/rules b/nlsr/debian/rules
index 472a2cf..149a19c 100755
--- a/nlsr/debian/rules
+++ b/nlsr/debian/rules
@@ -37,6 +37,8 @@
 	rm -rf .waf3-1*
 	rm -f .waf-tools/*.pyc
 	rm -f docs/*.pyc
+	rm -rf .waf-tools/__pycache__
+	rm -rf docs/__pycache__
 
 override_dh_auto_test: