header dynamic first step
conditional statement ie8 supports header
header footer rework
Merge branch 'develop' into APD-4

Conflicts:
	grails-app/controllers/de/apd/IndexController.groovy
APD-16: Refactoring of the ApiConsumer
APD-16: Refactoring of the ApiConsumer
tree added
APD-18: Migration of I18N because risk of server-side sessions
APD-18: Migration of I18N because risk of server-side sessions
User story prepared for review
APD-17: Refactoring of the regex parsing of HTML pages
APD-16: Refactoring of the ApiConsumer
refinement
APD-17: Refactoring of the regex parsing of HTML pages
Merge branch 'APD-17-hla-refactoringparser' into develop
refinements
Merge branch 'APD-4' into develop

Conflicts:
	grails-app/i18n/messages.properties
	web-app/css/apd.css
vendor folder refactoring
APD-16: Refactoring of the ApiConsumer
APD-18: Migration of I18N logic from DDBNEXT to APD to avoid server side
session creation