[Proj] proj 4.9.1 released

[Howard Butler]

All,

proj 4.9.1 is released as approved by the MetaCRS list. It cumulates a number of bug fixes and small updates, and it went through five release candidates before being declared final. 

http://download.osgeo.org/proj/proj-4.9.1.tar.gz

Thanks,

Howard

> o 4.9.0RC2 release was abandoned because it was not promoted in a 
>   timely fashion. Subsequent maintenance of tickets has continued, 
>   and a new 4.9.1 release was issued in its place.
> 
> o Implement inverse solution for Winkel Tripel from Drazan Tutic #250
> 
> o More CMake configuration tweaks. The CMake configuration is probably 
>   not at feature parity with the autotools builds at this point but it 
>   is converging #256
> 
> o Tweak initialization ordering around setlocal which may have caused
>   issues #237
> 
> o Support out-of-tree autoconf builds more completely #247
> 
> o Fix NaN handling by geod_inverse and geod_polygon_addedge #251 & #253
> 
> o Update config.sub and config.guess #257
> 
> o Adapt Charles Karney's CMake patches for smoother build #258
> 
> o Define default PROJ_LIB location for CMake compilation #261
> 
> o Fix Windows compilation on PJ_aitoff.c
> 
> o Align CMake SOVERSION with autotools #263
> 
> o Regenerate nad/epsg with GDAL r28536 to avoid precision loss in TOWGS84
>   parameters, e.g. on Amersfoort / RD EPSG:4289 (#260)
> 
> o Add CMake project-config.cmake scripts (#264 from Charles Karney)
> 
> o Dial back test sensitivity #255