remove the uneeded save_data test utility function
Merge branch 'master' into conv_simplify
Query tolerance test
+ cleanups: use preincrement iterators in for loop etc ..
+ formatting
+ make WKT generator templated on geometry type - the goal is to be able
  to use generator for any type that implements 'vertex' concept
+ make WKT generator templated on geometry type - the goal is to be able
  to use generator for any type that implements 'vertex' concept
Merge branch 'master' into conv_simplify
+ formatting
visual tests: don't output debug by default and handle exceptions from rendering
add testcase for #1508 to visual tests
add more color to the visual test output
Add test file
+ restore g++/darwin fix - #1507
Add tolerance parameter to features_at_point
Make map.query_point() always pass tolerance to datasources
Merge branch 'master' of https://github.com/manelclos/mapnik
+ add premultiplied_alpha method to image_reader

  * tiff - TIFFTAG_EXTRASAMPLES
  * png  - non-premultiplied alpha (http://www.libpng.org/pub/png/spec/1.1/PNG-Rationale.html)
  * jpeg - no-alpha channel, ensure pre-multiplied model
+ add premultiplied_alpha flag to mapnik::raster
fix up expected results for testcases being developed for #1508
Merge remote-tracking branch 'origin' into conv_simplify