iOS
Merge branch 'develop'

This was the merge at the deadline Monday 05/19/2014.
Merge branch 'develop'

Conflicts:
	interaction_design/ios_id.tex
Fix web interaction design section

Make the web section fit to the report correctly.
Update cover with publication date and version

The cover was updated with the publication date at the end of the fourth sprint
the version was updated to indicate the progress.