cleanup & comment web.xml, index.html
resources/login.xhtml: moved button out of grid to fix ' Child count should be a multiple of the columns attribute.'
changed navigation in regsitercontroller to directly go to regconfrim without faces.conf
added context path to the xhtml template for absulte css path
adapted stylesheet with border and margin
adapted stylesheet with border and margin
adapted login to 1 column and uppercase label
register form validation: required implemented + error msgs in de and en
register form validation: required implemented + error msgs in de and en
register form validation: required implemented + error msgs in de and en