Update CI_VERSION 

Fixing two broken links in the User Guide. 

Really fixbcit-ci#1715

Merge branch 'hotfix/2.1.2' 

Retagging 2.1.1 for version number corrections 

Readded PDO drivers. 

retagging v2.0.3 - the old tag contained a change log item that is st… …ill in develop, no code changes were made

Releasing 2.0.3