* Added flags to example backend to control its behaviour:

* Start with `-- -r` to run the reset plugin
  * Start with `-- -s` to run the state callback
* Rewrote yang dir load algorithm to follow the algorithm in [FAQ](FAQ(doc/FAQ.md#how-are-yang-files-found) with more precise timestamp checks, etc.

test/all.sh

@@ -9,7 +9,7 @@ fi
 
 err=0
 testnr=0
-for test in test*.sh; do
+for test in test_*.sh; do
     if [ $testnr != 0 ]; then echo; fi
     testfile=$test
     . ./$test