Update CI to use the latest centos7 version

See merge request !875

Fix segfault in Monteverdi

Closes #2241

See merge request !874

BUG: fix ImageMetadata pointer checks in GlImageActor and use OutputImageMetadata in m_ImageToViewportTransform in Ice::GlImageActor

Implement a GetSize() function for the ImageMetadata class

Closes #2237

See merge request !872

Update geospatial libraries versions in Superbuild (WIP)

See merge request !865

WorldToEcef and EcefToWorld free functions

See merge request orfeotoolbox/otb!873

Merge remote-tracking branch 'origin/sb_update_geospatial_lib_versions' into sb_update_geospatial_lib_versions

BUG: add GCP to SPOT5_ROI_1000_100.tif as gcp are now correctly read in the apTvRaOpticalCalibration_Spot5 baseline (fix in the HFA driver)

BUG: update optical calibration input images to take into account GDAL bug 4591 (GCP were not read correctly in img files and these images are tif conversion of img files)