Setting result type (indicated by initial selection) before initializing
viewers. During initializiation the viewers initial selection is
changed, after the listeners are already registered. When the result
type is not already determined and no further selection is done, the
first flow is returned instead of the previous selection (only happens
when impact category is initially selected)
- Updated start page links
- Added background gradient to start page header
- Updated GreenDelta link to callOpenUrl
- Corrected wrong commit
- Removed hrefs
Merge remote-tracking branch 'origin/master' into epa-martin-dev

Conflicts:
	olca-app/html/start_page.html
new splash images
Merge remote-tracking branch 'origin/master'