DEM handler based on GDAL

Closes #1762

See merge request orfeotoolbox/otb!729

Fix output image from orthorectification having no projection

See merge request orfeotoolbox/otb!752

Fix spelling errors

See merge request orfeotoolbox/otb!754

 * regulary  -> regularly
 * precense  -> presence
 * speficier -> specifier

STYLE: disable noisy std output message

See merge request !751

Add static link to the 7.2 CookBook

See merge request orfeotoolbox/otb!748

Metadata refactoring

See merge request orfeotoolbox/otb!707

Update MuParser in Superbuild

Closes #2083 and #2071

See merge request orfeotoolbox/otb!731

Resolve "Develop package names"

Closes #2076

See merge request orfeotoolbox/otb!740

Correct menu instructions to open application-browser in Monteverdi

See merge request !735

Freetype and libPNG detection in QT5

See merge request orfeotoolbox/otb!730

Revert "BUG: force usage of the ld gold linker for linux QT5 build in the Superbuild (link errors with ld bfd)"

This reverts commit 9df40e7f.

Resolve "Develop package names" 2

Closes #2076

See merge request orfeotoolbox/otb!737

This reverts commit 1870787d.

Merge branch '2070-unitialized-values-and-itk-setters-in-otb-imagetogenericrsoutputparameters' into 'develop'

Unitialized values (and ITK setters) in `otb::ImageToGenericRSOutputParameters

Closes #2070

See merge request orfeotoolbox/otb!733

This reverts commit b3c3a183.