[poppler] Poppler 0.10.1

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.10.1.tar.gz

Changes since 0.10.0:
 core:
  * Improvements in Optional Content support
  * Small fix in Form support
  * Fix memory leak in case of error
  * Fix potential crash on text search
  * Try render documents with invalid indexed color space parameters.
    Bug #18374
  * Fix crash on text extraction when poppler-data is not installed.
    Bug #18023

 Qt:
  * Fix two memory leaks

 Qt4:
  * Small documentation improvement
  * Fix memory leak in the demo code

Note to distro packagers: This release braks binary compatibility with poppler 
0.10.0 in the poppler core, we never said we'd maintain it so this is just a 
friendly reminder.

Testing, patches and bug reports welcome.

Albert