adding collage selection
Merge branch 'master' of https://github.com/ddsc/webclient

Conflicts:
	app/index.html
Merge pull request #55 from ddsc/maps_extralayers

Maps extralayers
Made collages load
moved favorite parts of code of graphscreen to seperate file
Merge branch 'master' of https://github.com/ddsc/webclient

Conflicts:
	app/index.html
- Removing table/dashboard menu links
- Opacity slider in map layers works now
Set opacity onAdd based on settings (API or modified locally). Fixes https://github.com/ddsc/webclient/issues/58
Improved slider behavior (more responsive on onslide event)
Minor change
Merge branch 'master' into maps_extralayers