* A map file can now be specified and should be read relative
to the technology
* Giving a map file will disable the pattern-based mapping
* UI enhanced accordingly
* Added UI option to configure macro resolution mode
* Bugfix: LEF files have not been read relative to the tech
* Bugfix: Some options where not persistent
Two new reader options:
1.) via cell name prefix (default is "VIA_"). This name is put in front of the via name to form the cell cell name
2.) group separation disabled by default. Groups are not put into individual parent cells by default.