added zoom functionality for the navigator
graphicsview new stuff
added line drawing
ui improvements
resolved clashes
some more ui stuff
added more node functionality
removed plugs
refined nodes, added color and correct connections
added some more node options
added node connection arrow first version
merge conflict
Merge branch 'feature/ui-graphics_view-48' of https://github.com/PaulSchweizer/AutoRigger into feature/ui-graphics_view-48
minor changes to node connection
Merge branch 'feature/ui-graphics_view-48' of https://github.com/PaulSchweizer/AutoRigger into feature/ui-graphics_view-48
refined nodes and ui data handling
ui functionalities improved
Worked on Attributes
added attributes tab
attr tab