Version mapping table

The mapping between the old date-based and new pseudo-semantic versioning scheme is as follows:

old	new
14.10.*	1.0.*
15.03.*	1.1.*
15.08.*	1.2.*
16.06.0rc0	2.0.dev0
16.12.0rc0	2.0.dev1

From 2.0.dev2 onwards only the new versioning scheme has been in use.