before @accept
add basic csv download posibilities
extend csv file feature, add ist link
IE js replace fix
minor style change
ensure correct loop end
jump top graphic
fixed typo
added back-top button and about this app infobox
rearranged code; added info display if no neighbors available
changed back-top image and displaced to footer
changed back-top image and displaced to footer
added external links js function
Merge branch 'fileoutput' into feature/hide_elements

Conflicts:
	application.rb
	views/layout.haml
	views/neighbors.haml
	views/style.scss
removed loop for neighbors
fixed typo
changed about text
w3c conformity
w3c conformity
added ist_logo