some renaming and better descriptions in README

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
oppgave 9

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
oppgave 10

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
oppgave 11

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
oppgave 12

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
oppgave 12 and 13

Signed-off-by: Alexander Skjolden <alex@plastboks.net>
Merge branch 'master' of github.com:plastboks/HiOA