Replaces packageinfo files with osgi.bnd configuration

Signed-off-by: Mario Krizmanic <mario.krizmanic@gmail.com>
WebEnvironment should set single SimpleAccountRealm instead of array
which constains it

Signed-off-by: Mario Krizmanic <mario.krizmanic@gmail.com>
Prohibits dynamically changing ModularFilterChainManager in web env

Signed-off-by: Mario Krizmanic <mario.krizmanic@gmail.com>
Adds drafy AuthenticationService and AuthorizationService definitions

They will replace the current SecurityService to provide authencation
and authorization of application subjects.

Signed-off-by: Mario Krizmanic <mario.krizmanic@gmail.com>
Adds AuthzAwareRealm that extends AuthorizationServices to implement
Realm interface

Signed-off-by: Mario Krizmanic <mario.krizmanic@gmail.com>