Adds option to disable CMake package export.
Sets Calibu_DIR for examples & applications.
Merge pull request #1 from renzodenardi/master

command line mode
Adds NO_OPENCV_GPU flag to FindOpenCV.
Fixes crashes in ImageProcessing.
Added missing Eigen::aligned_allocators.

- Fixes indentation and spacing in calib/main.cpp
Eigen alignment fixes.
Fix calib-hal Eigen align.
Makes ImageProcessing::Process image pointer const
Calibu alignment fixes.
Some alignment and consistency fixes.
Uncomment gldraw.h