stable ID mapping documentation - a start

misc-scripts/id_mapping/README

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+Ensembl stable ID mapping
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+
+Author: Patrick Meidl <meidl@ebi.ac.uk>
+
+Please post questions to the Ensembl developers mailinglist
+<ensembl-dev@ebi.ac.uk>
+
+
+The scripts in this directory are used in Ensembl production to map stable IDs
+between one release and another.
+
+Please refer to the documents in ensembl-docs/id_mapping/ for both user and
+developer level documentation.
+