+/-
Merge remote-tracking branch 'origin/relations' into relations
Merge remote-tracking branch 'origin/develop' into relations
Dårlig kommentar
Trying to seperate data and representation.
This commit add the data classes. These however are not yet used by
the rendering code.
Presentation, behaviour and data is now somewhat more separated.
Added a helperarrow to indicate the source arrow when creating new arrows.
Dårlig kommentar
Merge remote-tracking branch 'origin/relations' into relations
Rådata ut (JSON) fra quiver
Helperarrow performance test.
Merge remote-tracking branch 'origin/relations' into relations

Conflicts:
	src/qpaweb/static/quiverpanel.js
Rådata ut (JSON) fra quiver, til tekstboks
Merge remote-tracking branch 'origin/relations' into relations
Cleaner JSON representation of quiver.
Merge remote-tracking branch 'origin/relations' into relations

Conflicts:
	src/qpaweb/static/quiverpanel.js
This commit includes code for relation validation (not yet fully tested).
Textual input validation of relations
Rådata ut (JSON) fra quiver, til tekstboks
Merge remote-tracking branch 'origin/relations' into relations