Merge pull request #29 from yglushonkova/master

Release 1.5.1
Update README.md
Release version 1.5.6
Merge pull request #30 from ViLPy/master

Release version 1.5.6
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Fix for minor issue in demo-hook
Merge pull request #31 from ViLPy/master

Fix for minor issue in demo-hook
Update to Release 1.6.1
Merge pull request #33 from ViLPy/master

Update to Release 1.6.1
Update README.md
Added LRS settings and info about permgen
Update to Release 1.6.2. DB update mechanisms
Merge pull request #34 from ViLPy/master

Update to Release 1.6.2. DB update mechanisms
Release 1.6.6
Release 1.6.6. Missed files