Web GUI from Klas Eskilson (three new modules: webgui, webbrowser and cefwebgui)
Parallel connection refactorization
Wormhole server added to the main repository
Transfer function editor work from Cristoffer Särevall
Update ghoul
* Introduced guiName to PropertyOwner
* Added requirement that PropertyOwner::identifier may not contain whitespaces
* Changed Name to Identifier in asset and scene files
* Added new PropertyOwner to RenderEngine that owns the ScreenSpaceRenderables
* Moved Name and GuiPath into GUI group
* Added user-facing names to layer groups
* Implemented property animation mechanism
* Added easing functions to Ghoul and make them usable in animation
* Make sure that we don't leave properties around if SceneGraphNodes are deleted
* Adding opacity settings to base renderables
* Adding ScreenSpaceSpout object to display spout textures in screen space
* Enable the clearing of option properties
* Fix crash in ScreenSpaceImageLocal specification
* Split RenderablePlane into RenderablePlaneImageLocal and RenderablePlaneImageOnline
* Add RenderablePlane Spout
* Rename Texture parameter in ScreenSpaceImageOnline into URL
Closes#518
* Make derived transform classes less involved in simulation state
* Add performance measurements in openspaceengine
* Avoid redundant transformation lookups
* Fix bug causing redundant calls to GPULayerManager::bind
* Move water reflectance to alpha component of normal buffer. Remove otherData buffer.
Merging Dashboard branch that introduces the Dashboard, DashboardItem and moves most of the screen rendering code into a component-based layout that can also be displayed as a screenspace renderable
* Add Onscreen Dashboard
* Add Dashboard class
* Add DashboardItem classes and subclasses
* Added font and fontsize customization to dashboarditems
* Add default dashboard specifications to all scenes
* Add tests.scene to test dashboard items
* Add configuration options to DashboardItemDistance
* Fix distance conversion to correctly use singular or plural values
* Make DashboardItems unique when adding them to a dashboard
* Correctly position test with different font sizes
* Add Dashboard Item that enables spacing between other items
* Add performance measurement to dashboard rendering
* Add method to DashboardItemDistance that computes distance to surface
* Add DashboardItemAngle that computes and prints the angle between three objects
* Add DashboardItemInstruments that shows the instruments on New Horizons
* Add ability to OpenSpaceModules to return a list of Luascripts defined by child objects
* Make it possible for ScreenSpaceDashboard to work with its own dashboard or the main one
