Diagnostics

- Added new 'diagnostics' command to assist with bug reporting,
  testing.  It answers questions such as "did you compile it yourself?",
  and more.
- Specifically, it runs a UUID generation test to prove that the UUIDs
  are really unique.

i18n/strings.en-US

@@ -61,6 +61,8 @@
 230 config
 231 show
 
+235 diagnostics
+
 # 3xx Attributes - must be sequential
 300 project
 301 priority