Issue/2055

Make the connection a shared_ptr and let the LuaScriptTopic return lambda keep a copy of it (closes #1940)

* Prevent focus node from changing when recording finishes

* Updated color map for gala and apogee
* Adding apogee-galah values for when they are read properly

* Added all trail toggle
* Added actions for trails and planets/moons
* Added planet lighting assetd; updated action paths
* Add mars layers actions
* Added new layers from Carter
* Cleaned up trail action names, cleaned up some default keybindings
Co-authored-by: Alexander Bock <mail@alexanderbock.eu>

Feature/skybrowser

Fix bug when selecting a default profile when a user profile with the same name exists (closes #2074).  Make it possible to specifiy a full path to a profile in the openspace.cfg file

* updated generic spice kernel for more range; added barycenter trails

* updated meta asset description for barycenter trails

Please let this be the last copy-paste error from the Lua codegen update

Cross product of zero vectors leads to nan values...

* Update fixed rotation every frame if it depends on another sgn (closes #1751)

This guards against any weird edge cases, where a node the rotation depends on is moved independently of simulation time

* Fix faulty indentation

* Add a new trail for the first 30 min of launch relative to EarthIAU

Don't convert the Period of the RenderableTrailOrbit to seconds when extracting the value from the asset file (closes #1860)

Add the ability to add user-defined properties using a new `openspace.addCustomProperty` function that takes an identifier and a type and creates a new property of that type.  The new property is then available under `UserProperties.<identifier>`

The `!` disappeared as part of the big codegen Lua rewrite

* Added 2012 July solar storm event assets + renderer improvement

* solving unzipping issues

* flow properties added

And some other properties that seems to have been accidentally removed in 9e693006