The API throws when the directories already exist, which is quite
unexpected.
This now changes the code to silently ignore these issues in the
knowledge that the immediately following opening of files will
fail with a nice error message.
Move some globals and all stuff pulling in crypto to the
server/serverutil.cpp file
Remove dead code.
Move several items that were used in only one place to the respective
files using them.
Move the class WaitUntilFinishedHelper into its own file.
Made sure no header includes utils.h
remove a handfull of files including utils.h for nothing.
* logs.conf now also found directly in the homedir if there is no
$HOME/.config dir
* default filename is now 'hub.log' instead of 'debug.log'
* logs.conf now also detects ALL as a keyword for section
* logs.conf now also supports 'option path [path]'
TomZ