mino edit tuto surface area
fixing typo Surface Area tutorial
Fixing f-1 function in image adapter
Fix small error in tuto.
fixing travis
Merge pull request #837 from JacquesOlivierLachaud/FixTutoJO

Fix small error in tuto.
WIP
WIP
Fix
Editing Changelog
Editing Changelog
Merge pull request #846 from dcoeurjo/Changelogup

Changelogup
Edits again
Edits again
Edits again
Merge pull request #847 from dcoeurjo/Changelogup

Changelogup
Changelog
Changelog
Merge pull request #848 from dcoeurjo/Changelogup

Changelog
Edits again