[poppler] Poppler 0.15.3 (0.16 RC) released

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.15.3.tar.gz

WARNING: This is a unstable release, it is actually 0.16 RC release, it 
should work like any release from the 0.14 branch, but do not blame us if it 
turns your bluray player into a betamax one.

Changes against 0.15.2:
core:
 * Improve rendering of radial shadings
 * Open a broken file (Bug #31861)
 * Correct parsing of linearization table (Bug #31627)
 * Find fonts inside patterns (Bug #31948)
 * [win32] Simplify strtok_r implementation
 * Use a std::vector instead of a var-length-array of chars
 * Fix crashes in broken files
 * Use sets instead of arrays for looking for duplicate fonts

cpp:
 * Include correction

utils:
 * pdffonts: Remove duplicated code

Testing, patches and bug reports welcome.

Albert