Update README.md
menu and toolbar
added code to connect the toolbar icons to the functions
initial commit
put viewer_widget class into own files
put osgViewer inside grip window
deleted original viewer files
fixed header def and commented
added code for the tree viewer
started a osgUtils library
Merge remote-tracking branch 'origin/slohia' into feature/osgviewerQt
added front/top/side views but rotation gets messed up
working on adding nodes and camera
reorganized dir struct. added funcs
added grid
starting DartNode. Loading urdfs with DART
converting aiScene to osg::Node -- Node to fix dependencies and add if elses for build
parsed world urdf, added docs, ready to make Skeleto node
fixed memory leak
added destructor for class pointer