Michal Čihař - Weekly phpMyAdmin contributions 2017-W12

Weekly phpMyAdmin contributions 2017-W12

Last week was again quite busy with reviewing pull requests from GSoC applicants and going through incoming bugs for 4.7.0-rc1 as we're approaching final 4.7.0 which should be released this week.

I've finally spent some time on our documentation and it got branch new chapter Security policy. It's content is mostly from old wiki, but has been updated with current information. It's still not covering all topics, but at least we have some foundation to base on.

Handled issues: