qgis/QGIS — pull request #1040 by ahuarte47 (2013-12-20 10:01:07+00:00)
Title: Feature #8725-revival: fix bug slow rendering in ubuntu and other minor changes

Changes:
+ Fix bug in ubuntu 13.10 with very slow rendering results
+ Clean and simplify the code
+ Simplification settings panel shows current threshold value
+ Rename 'RenderingPrintCompostion' by 'UseRenderingOptimization'