Added settings to PAL for enable/disable partial shown labels
Added user interface for changing ShowPartialsLabels setting value
Mapserver read ShowingPartialsLabels configurations from project file now and added default init value to QgsPalLabeling
Added python binding for ShowingPartialsLabels
Added unit-tests for ShowingPartialsLabels
Fix pal settings dialog title
Unit tests for ShowingPartialsLabels reorganized
Merge pull request #905 from yellow-sky/show_partial_labels

Show partials labels