Merge pull request #219 from stianst/master

Basic html example
KEYCLOAK-302 Ensure that all tables and columns have maximum length 30 characters
minor improvements
Merge pull request #220 from patriot1burke/master

minor improvements
theme distro/docs
Merge pull request #222 from patriot1burke/master

theme distro/docs
Merge pull request #221 from mposolda/master

KEYCLOAK-302 Ensure that all tables and columns have maximum length 30 c...
KEYCLOAK-298 If admin or accnt mngmt cookies are invalid, the identity cookie was expired by mistake