* Move SGCT external library from ext/sgct to apps/OpenSpace/ext/sgct
* Remove all GLFW dependencies from openspace-core
* Add MinVR dependency
* Add new executable OpenSpace-MinVR that uses MinVR instead of SGCT
* Correctly specify maximum text sizes for grids
* Use StaticScale transformations in grids and remove fixed radius
* Fix Verifier to let grids accept non-integer min and max sizes
* Add a new scale that changes it's value based on the current time and a reference time
* Add a proper radiosphere that grows in real time (closes#728)
* Add default globe customization folders to the assets (closes#724)
* Add new dashboarditem that shows the current camera velocity (closes#702)
* Add ability to add interesting times to a scene (closes#715)
* Reenable keybindings gui element
* Add ShortcutManager
* Add ability to bind keyless keybinds to use as arbitrary shortcuts (closes#710)
* Move global objects out of OpenSpaceEngine
* General cleanup of main.cpp
* Add default_joystick asset to all scenes
* No longer suppress mouse interaction on slave nodes
* Window delegate uses function pointers rather than subclassing
* Fix for false overwriting of ImGUI configuration file
* Change default color and tilt angle of fisheye rendering
* Restructured performance manager
* Simplify screenshot handling
* Initial implementation
* Better approximation of target time
* Correctly use double precision for time passing
* Cleanup
* Adding proportional adjustment of delta time at end of interpolation
* Keyframe based time interpolation
* Add property for time interpolation duration. Move time interpolation methods to TimeManager.
* Fix bugs with time gui
* Make several clicks on delta time buttons work as expected
* Clean up
* Improve time interpolation for parallel connection
* Improve time API. Fix time interpolation bugs.
* Fix mac compile issue
* Add hour button
* Add missing + sign
* Remove newer images from projection buffer when going back in time
* Add comment about clearing projection buffer
* Fix bug with jumping time in parallel connection
* Rename integrateFromTime to previousFrameTime
* Compile fix for iswa module
* Address code review comments
* Code cleanup
* Fix bug causig unsmooth behaviour when pausing while interpolating in time
* First implementation of time frames
* Add TimeFrameUnion. Only show solar system 1850-2150.
* Consider dependencies when determining whether time frame is active
* Code review fixes.
Alexander Bock