metdata/repoman/*: Add current API version and minimum repoman version info

With teh version field, repoman can check that it meets the API compatibility
requirements of the metadata/repoman file(s).
The minimum repoman_version is output in the repoman error message if the
currently installed repoman is not capable of handling all the file & data
features.

metadata/repoman/linechecks.yaml

@@ -10,7 +10,12 @@
 # but support for third party module will be limited to the plugin API
 #
 
-errors: 
+# Repoman API version (do not edit)
+version: 1
+# minimum
+repoman_version: 2.3.3
+
+errors:
     COPYRIGHT_ERROR: 'Invalid Gentoo Copyright on line: %d'
     LICENSE_ERROR: 'Invalid Gentoo/GPL License on line: %d'
     ID_HEADER_ERROR: 'Stale CVS header on line: %d'

metadata/repoman/qa_data.yaml

@@ -9,6 +9,11 @@
 # but support for third party module will be limited to the plugin API
 #
 
+# Repoman API version (do not edit)
+version: 1
+# minimum
+repoman_version: 2.3.3
+
 
 allowed_filename_chars: "a-zA-Z0-9._-+:"
 max_description_length: 80

metadata/repoman/repository.yaml

@@ -10,6 +10,11 @@
 # but support for third party module will be limited to the plugin API
 #
 
+# Repoman API version (do not edit)
+version: 1
+# minimum
+repoman_version: 2.3.3
+
 # NOTE: for non-gentoo repos, any custom modules added will need their
 # module names to the modules list in order for them to run.