Imported upstream version 2.9.0
Remove obsolete patches, bump ABI to 2.9.
Add patch to install vpConfig.h in include architecture triplet
Add dependency to libgsl0-dev 3rd party
Fix libdc1394 usage
Add patch to fix build issues with ffmpeg libraries
debian/control: Add Fabien Spindler as uploader.
Update d/changelog for 2.9.0-1.

Git-Dch: ignore
Add patch to fix arch-dependent files in "Multi-Arch: same" package

Closes: #754163, #754164
Add patch to avoid linking against libgslcblas.so if possible.
Prepare for release 2.9.0-2
Add patch to solve update failure detected by piuparts (Closes: #754657)
debian/libvisp2.9.install: install share/visp* directories
Check gpg signature in debian/watch