"des_" API is deprecated, changed to "DES_".

Thanks to Henning Brauer from BS Web Services GmbH.

git-svn-id: https://devel.aqbanking.de/svn/gwenhywfar/trunk@2311 70169cfe-8b10-0410-8925-dcb4b91034d8
Disable locking in Gwen
Make code compile on OSX
Disabled gui subdir
Use bundle path also in GWEN_PathManager_InsertRelPath