made changes on iterations part. also included the chapter in the report.
Merge pull request #41 from magnusjerre/construction_and_design

added construction/design start
added iteration 4
Merge branch 'master' of https://github.com/magnusjerre/Kundestyrt_Prosjekt
edited the iteration chapter
changes?
Merge pull request #42 from magnusjerre/iterations

Iterations
changes?
edited the design chapter