admin console mistake
Merge pull request #422 from patriot1burke/master

admin console mistake
Added example for AuthenticationProvider SPI
Documentation about Authentication SPI, LDAP and Export/import
Merge pull request #423 from mposolda/master

Updated documentation and added example for Authentication SPI
Fix configuration of maven plugins in authentication-properties example
Merge pull request #424 from mposolda/master

Fix configuration of maven plugins in authentication-properties example