Some cleanup in NLP unittests
SQPMethod: added min_step_size option
SQPMethod: added return status messages
SQPMethod: allow for forcing full step (max_iter_ls==0)
Suggestion by Atilla: replace 1-norm with inf-norm in sqpmethod
Repairing trunk
Attempt to repair trunk
automatic documentation update
automatic documentation update
A very lame way of avoiding #822: segfault for mingw
automatic casadibot merge