remove not yet started animations, too
add data descriptor field: 'separator' for specifying the field separator
add FileSaver.js library
change save/load layout from localStorage to external files
fix #19 overlay positioning
fix #25 simple layout if no layout is given
fix #20 add new column next to label
Merge branch 'master' of github.com:Caleydo/lineup.js into Caleydo-master

Conflicts:
	src/lineup_gui_helper.js
Merge branch 'Caleydo-master'