Added partially working comment field.
Comment field in now in a form but the submit functinality steel needs implementing.
Added fully working comment field.
Small bugfix because of Django's "This field is required" error.
Small bugfix because of Django's "This field is required" error.
Merge branch 'master' into branch_for_issues_12-14

Conflicts:
	VisualController/VisualControllerApp/models.py
fixes computing spacing (silly error, computation was done twice)
Adds logging pareto front, two way pipe, and compute spacing statisticaly
Small fixes
Merge remote-tracking branch 'origin/master'

Conflicts:
	ComputationEngine/algorithm/base_algorithm.py