[FEATURE] double click right mouse button in peakmap explorer
[FEAURE] fast sampling mz peaks introduced in peakmap explorer
[FIX] fixed missing cursor line config in peakmap explorer

     worked only for first start, somehow using peakmap explorer a
     second time in workbench the linestyle of the cursor line
     got lost to "NoLine"
[FEATURE] hist buttons + new layout in peakmap explorer
[FEATURE] zoom/pan out now up to max limits of peakmap
[FEATURE] zoom/pan out now up to max limits of peakmap
[FEATURE] faster mz range computations for peakmaps
[FIX] fixed issue in Table.setValue
[FEATURE] dynamic sampling of specs in mz plotter