JerseyRestValve config element names fixed.
JerseyRestValve config param fix.
Add emailExists method to UserManager and provide simplest
implementation available for compilation.
Add default email attribute
Add emailAttribute field.

Initialize it to configured value or default if not configured in
config file.
Implement emailExists method properly
Add altEmailExists method to UserManager and provide simplest
implementation possible for compilation
Fix javadoc
Add default alternative email attribute name.
Add altEmailAttribute.

Initialize it to configured value or to default if not configured.
Add proper implementation of altEmailExists
Introduce DI for SearchControler to lookupDNs method.
BAZYNGO-269: JerseyRestValve configuration fix.
BAZYNGO-269 Basic authentication improvment. RNG secret element to httpBasic element refactored.
Introduce new method to UserManager which takes additional attributes
and createAccount using that additional attributes.

Throw exception in Dummy.
Implement new method in DirectoryUserManager.
Add some javadoc 
Add additional parameter to createAccount method indicating if password
should be blocked after hashing it. Defaults to false. Changes do not
break api.
Implement blocking password method.
Add getUserPassword method to DirectoryUserManager
Refactor to make it DRY.