Conversion to new logging support finished.

Conversion to new logging support finished.
It is now possible to selectively enable and set verbosity
for different logging domains from commandline.
The option "-g" argument syntax is same for all tools.
Number without domain specifier or with symbol "all"
select log level for all domains. Domain name followed
by "." or "=" character selects level for specified domain.
More specifications can be concatenated by symbol ":" or ",".
Usage example:

   -g 1:domone.5:domtwo.6

Requires to select level 1 for all but two listed two specified
domains. Log levels for "domone" and "domtwo" domains are set
to 5 or 6 respectively.