Add building symbolizer alpha handling fixes to changelog
+ convert colours to doubles in set_color
remove unnessary semicolon
comment unused function in miniz sources to avoid compiler warning
return the correct type in attribute.get_type
avoid implicit conversions between int types in mapnik::color (fixes clang++ warnings)
Avoid clang++ implicit conversion warnings (-Wconversion)
avoid variable shadowing between members and constructor args
remove unneeded semicolon
fixup docstrings
use size_type correctly
remove unneeded use of const keyword
Avoid variable shadowing
fixup various docstrings
Merge branch 'master' of github.com:mapnik/mapnik
remove unneeded semicolon
line at end of file
tests for 64bit id handling in osm.input
comment failing to_string precision test - refs #1676
Revert "avoid implicit conversions between int types in mapnik::color (fixes clang++ warnings)"
(NOTE: color compoments need to be uint8_t not uchar)

This reverts commit c51793c7e45b01015c823f4e86ec86e5a55ccbe4.