[poppler] Poppler 0.61.0 released

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.61.0.tar.xz

Changes against 0.60.1 include:
core:
 * Fix crashes in broken files
 * Cleanup unused functions from GlobalParams
 * Tweak LZWStream::processNextCode error handling. Bug #103174
 * Warning fixes
 * Remove t1lib code

qt5:
 * Clean up the remaining Splash code in Arthur backend. Bug #103117
 * ArthurOutputDev: Properly implement saveState/restoreState. Bug #103118
 * Fix leak in ArthurOutputDev::updateFont. Bug #103508

build system:
 * Use GNUInstallDirs. Bug #103211
 * mingw: Install pkg-config files
 * mingw: change library names to include the soversion. Bug #103157
 * Fix installing a .cc file as header
 * Use -pthread flag instead of -lpthread

This release was brought to you by Adrian Johnson, Albert Astals Cid, David 
Tardon, Emilio Pozuelo Monfort, Jason Crain, Kay Dohmann, Oliver Sander and 
Sandro Mani

Testing, patches and bug reports welcome.

P.S: I know there's some patches waiting for review but i've been short on 
time/motivation lately so i thought at least getting this out was a good idea.

Cheers,
  Albert