Atlas Version 2.3.0

• Adding support for payer plan period and censor windows in cohort definitions (#477, #563) - Thanks @raomane, @pavgra, @chrisknoll
• Cohort Reporting user interface updates (#512) - Thanks @fdefalco
• Patient Profiles fixes & enhancements - Thanks @fdefalco
• Notification System - Thanks @fdefalco
• Security & Permission Improvements (#564) - Thanks @pavgra, @mpozhidaeva, @chrisknoll, @anthonysena
• Added support for Impala and Netezza via SqlRender 1.4.8 - Thanks @pavgra, @wivern, @schuemie
• Lots of bug fixes per https://github.com/OHDSI/Atlas/issues?page=1&q=is%3Aclosed+milestone%3AV2.3.0. Thanks @fdefalco, @chrisknoll, @anthonysena