Merge branch 'dev'

Release version 1.1.13
Merge branch 'dev'

Merging completely rewritten napi.sh, subotage.sh will get a face-lift
as well, preparing to implement the napiprojekt3 api
documentation update
enabled system tests on multiple shells
changes to napi to make it compatible with the old shells
changes to subotage to make it compatible with old shells
ChangeLog update, added Colaboration document
Merge branch 'master' into dev