Added license header to a couple of files.

Should be in 7434210c5fd10af188a0b01b98c172c219283c57 commit.

No functional changes.
Fixed a couple warnings/errors from CheckStyle.

Should be in 7434210c5fd10af188a0b01b98c172c219283c57 commit.

No functional changes.
site/index: started to porting
simplify th:text
site/index: connect Spring Security and finish page porting.
site/index: improve presentation view.
Connected tiles.
site/index: remove jsp
deal with links
jsp2thymeleaf: added
site/index: fix i18n.
fixed markup
account/auth: started porting.
fixed re-displaying of login.
account/auth: use th:with
account/auth: fixed error
account/register: ported.
account/auth.jsp: removed.
account/activate: ported.
country/add: ported.