split spring config
Fix login page, add missing messages
Add kos API XML schema
Add missing dependency

Dependency for thymeleaf spring security integration - sec dialect
Fix login, logout redirection
Enable thymeleaf spring security dialect
Add KOS API integration impl
Add KOS client configuration file

note: Configuration file does not contain credentials for security reasons
add shell script for JAXB KOS classes generation

note: script must be executed from scripts dir