Add FindPoppler.cmake
Merge pull request #38 from rdumusc/master

Add FindPoppler.cmake
Activate Wunused-parameters on gcc
Merge pull request #39 from eile/master

Activate Wunused-parameters on gcc
Wunused-param fixes
Merge branch 'master' of https://github.com/Eyescale/CMake into Wunused
Merge branch 'tclap' into Wunused
Fix Wunused
Merge branch 'tclap' into Wunused
Merge pull request #42 from eile/Wunused

Includes #41: review afterwards. Fix Wunused-param