* Changed base OS in clixon-system container to Alpine

* Moved datastore/text/ code to datastore/ since there is only one type of datastore.
* Added "magic script line" to test script for sourced and scriped exits

test/test_yang.sh

@@ -1,8 +1,10 @@
 #!/bin/bash
-# Yang specifics: multi-keys and empty type
+# Yang test: multi-keys and empty type
+
+# Magic line must be first in script (see README.md)
+s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
+
 APPNAME=example
-# include err() and new() functions and creates $dir
-. ./lib.sh
 
 cfg=$dir/conf_yang.xml
 fyang=$dir/$APPNAME.yang