Revert "#1, implemented sideward flight"

This reverts commit 0aef091bc30b0adc61461b260dedb7cddcb096fa.
Revert "extract load/save views in seperate navigation"

This reverts commit ba6ad534f28573ca01e02ad38f033ad771edcbf0.
Revert "Revert "extract load/save views in seperate navigation""

This reverts commit 929b62634866fe2b05661c2df446ed9ce30bef15.
Revert "Revert "#1, implemented sideward flight""

This reverts commit f59c278a510a2734135a56356a0e07245c60b501.
Merge branch 'navigation_1_4' of https://github.com/cgcostume/cgsee into navigation_1_4