- demo models for User and Tag
Merge branch 'demo'
Revert "- removed demo DB schema"

This reverts commit 3f2456e061018fbb3d2241a2757393e975386936.
license text
AP-7
- some typos fixed
- fixed access level to "getTagTitle" method
- fixed "reset" and "set" methods in order to prevent overwriting with tags from DB
Merge branch 'master' into release