iwyu and fix compile on linux
remove uneeded dependence of cpp tests on sqlite
remove an uninteresting cpp test
fix conversions tests on windows
enable passing working directory to cpp tests that hit the filesystem and expect files to be relative to the mapnik source folder
set working dir of map_request.cpp
expose vpgen_clip_polyline so cpp tests will work on windows
more cpp test cleanup
make the mapnik-config test slightly more cross platform
more null/empty string filter tests - refs #1859
more tests for #1859, and make note of bug #1873
remove uneeded datasource template usage
load map assertions were not working, fix them
use a truly invalid expression for the broken text symbolizer test
avoid muffling proj_init at render time and instead catch at load_map - closes #646
2.2.0 changelog summary touchups
note that over 500 new tests have been added in Mapnik 2.2
be more explicit about ctor kwargs for python datasource tests
python.input: workaround broken box2d python->c++ conversion on osx/clang - closes #1876
no need to explicitly link to cairo on osx in python bindings if using dynamic lookup