Refactoring, improved index page

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Added GET request sample

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
First part CSRF protection

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Added ESAPI dependency

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Update to servlet-api 3.0.1

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Added servlet annotations

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Conmpleted CSRF protection sample

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>