generate/store realm certificate
Merge pull request #763 from stianst/master

KEYCLOAK-755 Support env variables in keycloak-server.json
app cert support, bug fixes
Merge remote-tracking branch 'upstream/master'
db
Merge pull request #765 from patriot1burke/master

app cert generation support
Merge pull request #766 from stianst/master

KEYCLOAK-761 Fix type of credential#salt
Merge pull request #767 from stianst/master

Add clean-jpa profile to testsuite
Simplified embedded infinispan connection config