Merge branch 'dev'

Release version 1.1.13
system tests corrected + fixes to napi detected by system tests
enabled system tests in the run_tests.sh script

system tests wip

"system tests wip"
abbreviations system test
more system tests
language system tests
subotage, format tests
fixes for subotage and format conversion system tests
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
investigation on the napiprojekt3 api
xml processing wip