various fixes (#70)

- dont show ccr status if license insufficient
- add automated tests
- fix config loading
- fix search output
- fix `license show` panics
- fix `ilm show` completion
- print ask passwd prompt to stderr

t/msc-clean.yaml

@@ -0,0 +1,14 @@
+#
+# this is a mosscap item file, see: https://codeberg.org/scip/mosscap
+items:
+  - name: docker/domdoc
+
+vars:
+  index: test
+
+tasks:
+  - name: delete_index
+    action: index_rm
+
+  - name: delete_template
+    action: index_template_rm