OSM plugin: area=yes is a polygon

Why this line is not here yet?
coord_arrat<T> : add support for range based for loop interface
update wkb parser to use it ^^
use pre-increment in iterator loops
range based for loops for better readability
mode range ```for loops```
color : add move ctor
remove dead code
call parse_symbolizer_base before setting symbolizer specific properties
first take at cleaning-up text placement code
(NOTE: get_text_info is temp disabled in python bindings)
pass text_placement_info by ref to placement_finder + formatting
replace auto_ptr with unique_ptr (creeped in from 2.3.x)
fix missing make_unique on c++11 compilers
store const* in glyph_t
replace auto_ptr with unique_ptr (creeped in from 2.3.x)
c++ style
cleanups
c++ style
move enumerations into separate compilation unit
fix typo
text_properties : store 'orientation' parameter in symbolizer_base::value_type