LDEV-4180: Make DB patches produce up-to-date structure during build instead of applying multiple patches.Get rid of unnecessary tables and keys.Modify boolean columns to tinyint(1)Simplify patches where possible.
LDEV-4233 added confirmation dialog asking whether teacher wants to proceed with hiding user as it will lead to removal of this user's ratings and comments
LDEV-4161: Further enhancement to Peer Review - the author can now differentiate what to show on the results, the results page now indicates how many possible reviews can be done and sorts the comments in alphabetical order.