only show "label" in special cases

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27855 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Separated logging from app

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27856 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
values for OptionsPanels and minor fixes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27857 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fixed debug stacktrace depths

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27858 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e