* Cleanup Property code
* Remove NOLINT statements
* Return Property class types as string_view
* Remove getStringValue function
* Simplify string value retrieval
* Ensure that image paths in the ImageSequenceTileProvider are sorted (closes#2205)
* Some cleanup of OpenSpaceEngine
* Cleanup documentation
* Some more cleanup of engine classes
* Some more cleanup
* Update SGCT repository
* Use new Jenkins node identifiers as the old method broke with update
* Remove the PropertyDelegate
* Remove some unused and redundant property types
* Use helper functions for Lua/Json conversion
* Solve a bug in SelectionProperty that occurred when re-setting options
* General simplification and refactoring of the code
* Cleanup
* CMake cleanups
* Update current year
* Update copyright header
* Use script to return list of all modules
* Update credits, license and ghoul
* 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
