This is a proper release of all the minor fixes and features that were added in the last months.
- Improved getIp.php to support reverse proxies
- Added PostgreSQL support for telemetry (default still mysql, and disabled)
- Fixed a bug that caused telemetry.php to fail if HTTP_ACCEPT_LANGUAGE header was not present
- Fixed a bug with testStatus indicating that the download test was in progress while the test was starting
- Minor changes to IE11 workarounds
- Removed some unused code