* Rename OnScreenGui module to ImGui
* Support multiple external module folders (closes#31)
* Cleaning up CMake files
* Restructure application specification
* Add parameter for library mode to all modules
* Add functions to handle global variable state
* Misc/remove warnings (#383)
* Increase build timeout and do a clean rebuild every commit
Add Property descriptions to the documentation file
Remove update method from StaticTranslation
Remove spelling error in RenderableGlobe
Remove rotation from renderablemodel projection
Fix setting the Origin through the GUI
Reorder Optional and documentation arguments for DocumentationEntry, and making Optional a non-optional argument