SpringAtom-#25 Creating Basic Viewport

SpringTheme in use comes with this commit
pushed locale configuration to appropriate package
SpringAtom-#25 Create basic viewport

pushed tiles outside of the WEB-INF
SpringAtom-#20 Securing the app with Spring-Security

Major improvements have been added. This commit summary is:
- login/logout form embedded in navigator menu on the left
- working login/logut services
- several UI improvements
- navigator menu built with the focus on the role set (GrantedAuthority)
SpringAtom-#25 Create basic viewport

Several tweaks in UI/RB backend

- added new messages to the resource bundles
- provided more modular page structure for better readability and maintainability
SpringAtom-#25 Create basic viewport

Several tweaks in UI/RB backend
- title resolver for currently displayed page
- project reorganized
- project inspection fixes
- project cleaning
removed file