ENH: Mention ICLA and CCLA in CONTRIBUTING.md and add check box about the cla in the gitlab MR template

Resolve "Remove deprecated instructions to compile Monteverdi"

Closes #1547

See merge request !43

Resolve "OTB Python code in the CookBook is not compatible with Python3"

Closes #1541

See merge request !41

Resolve "Fix some warnings with gcc 7.3 and clang 5.0"

Closes #1546

See merge request orfeotoolbox/otb!44

Multi writer

See merge request orfeotoolbox/otb!33

Conflicts:
	Modules/Wrappers/ApplicationEngine/src/otbWrapperOutputImageParameter.cxx

Stop button for graphic applications

See merge request orfeotoolbox/otb!34

Data augmentation

See merge request !25

Merge branch '1540-python3-otb-application-bindings-available-in-the-otb-package-don-t-work-on-linux' into 'develop'

Resolve "Python3 OTB application bindings available in the OTB package don't work on Linux"

Closes #1540

See merge request !40

Merge branch 'develop' into 1540-python3-otb-application-bindings-available-in-the-otb-package-don-t-work-on-linux

Merge branch 'develop' into 1540-python3-otb-application-bindings-available-in-the-otb-package-don-t-work-on-linux