User can assign existing review to an issue ticket #2
Minor update #2
Revizor can notify the YouTrack thart review was created or closed #2
Corrected Wiki markup #2
Minor (but very important) bugfixes #2
Add cache in order not to call data from remote Issue Tracker every time. This closes #2

When we load information to an ticket, it is actually loaded from remote
Issue Tracker. This is potentially expensive operation and it consumes
the network traffic. We cache this tickets locally to improve performance
and save traffic.