remove uneeded include
fix relative paths in mapnik-config for fonts/plugins
Merge branch '2.3.x' of github.com:mapnik/mapnik into 2.3.x
fix linking order in svg c++ tests

Conflicts:
	tests/cpp_tests/svg_renderer_tests/build.py
fix linux linking order in python bindings

Conflicts:
	bindings/python/build.py
	src/build.py
fix boost_regex icu detection on linux when statically linking
add ENABLE_SONAME option + embed rpath/loader_path by default - closes #1225
improve configure doc for FULL_LIB_PATH and ENABLE_SONAME
finish support for disabling soname on linux
scons: fix variable name
correct include for std::min/max
use premultiplied renderer for points/shields - closes #2117
better library sort
update expected test images after fix from #2117
fix -pthread issue on linux - closes #2132
remove c++11 feature that should not be used in 2.3.x branch
unhide the scons command run by make
fix rendering of multiple styles with OGR plugin - refs #2048 and mapbox/tilemill#2202
fix #2141
check filesystem before trying to open plugin + only report unique directories searched - closes #2131