Add 0.7.2 changelog to master changelog

CHANGELOG

@@ -110,6 +110,50 @@ Mapnik 2.0.0
 - Implement MarkersSymbolizer in Cairo render and improve the markers placement finder. (#553)
 
 
+Mapnik 0.7.2 Release
+--------------------
+ 
+- Added forward compatibility for Mapnik 2.0 XML syntax (https://trac.mapnik.org/wiki/Mapnik2/Changes)
+
+- Build fixes to ensure boost_threads are not used unless THREADING=multi build option is used
+
+- Fixes for the clang compiler
+
+- Support for latest libpng (>= 1.5.x) (r2999)
+
+- Fixes to the postgres pool
+
+- Fix for correct transparency levels in png256/png8 output (#540)
+
+- Various build system fixes, especially for gcc compiler on open solaris.
+
+- When plugins are not found, report the searched directories (#568)
+
+- Improved font loading support (#559)
+
+- Fix to shapeindex for allowing indexing of directory of shapefiles like `shapeindex dir/*shp`
+
+- Fixed handling of null and multipatch shapes in shapefile driver - avoiding inf loop (#573)
+
+- Fixed raster alpha blending (#589,#674)
+
+- Enhanced support for faster reprojection if proj >= 4.8 is used (#575)
+
+- Allow for late-binding of datasources (#622)
+
+- Fix to OSM plugin to avoid over-caching of data (#542)
+
+- Various fixes to sqlite, ogr, and occi driver backported from trunk.
+
+- Ensured that '\n' triggers linebreaks in text rendering (#584)
+
+- Support for boost filesystem v3
+
+- Fixes to cairo renderer to avoid missing images (r2526)
+
+- Fixed reading of label_position_tolerance on text_symbolizer and height for building_symbolizer
+
+
 Mapnik 0.7.0 Release
 --------------------