Fixes

Fix issue #155 (row selection is not properly refreshed)
Fix issue #157 (font size on the table)
Fix issue #161 (horizontal scroll bar on the source pane)
Fix issue #162 (context menu "Find")
Fix issue #168 (invalid metric index when merging 2 databases)
Fix issue #169 (incorrect column size when switching from top-down to bottom-up views)
Fix issue #177 (truncated row selection)
Fix issue #179 (three dots in the statistic view)
Fix issue #188 (incorrect column size in bottom-up and flat views). Related to issue #169
Fix issue #189 (selected row is not refresh after expanding a node). Related to issue #155
Fix "Apply to all views" option in the metric view for a merged database
Fix an error in the preference window
Fix row resizing in the statistic view

Improvements