#5 Added VertexCacheOpt class which shuffles vertices.
Enable z-Buffer test in camera draw.
Merge remote-tracking branch 'origin/master' into VertexCacheOpt_5
#5 VertexCacheOpt works but we have no data to test its performance.
#5 Updated cmakelist and file names.
initial commit on new branch GUI_FileExplorer
Add Assimp dependency and corresponding cmake lines; add assimpwrapper class in core/
Revert "Add Assimp dependency and corresponding cmake lines; add assimpwrapper class in core/"

This reverts commit 50ff239f9506ebea7cf2fb3e92f4ee9e7324ba9d.
Revert "Revert "Add Assimp dependency and corresponding cmake lines; add assimpwrapper class in core/""

This reverts commit adf2205cc6d4e3b01d1ba8bd4f968b98b65b79fb.
add 3rdparty folder to gitignore
Merge branch 'master' into VertexCacheOpt_5

Conflicts:
	libs/core/camera.cpp
	libs/core/polygonaldrawable.cpp
#5 Applied cgcostumes comments and further cleanups.
#5 Do not instantiate our static optimizer.
add animation between loaded views
Merge branch 'master' of https://github.com/cgcostume/cgsee into navigation_1_4
Added first version of FileExplorer GUI

filtered such that only folders are visible
Moved FileExplorer from cgsee constructor to viewer constructor
wrapped creation of FileExplorer into Viewer::createFileExplorer()
Fixed showing root directory instead of current working directory in Explorer

* treeView->setRootIndex(dirModel->setRootPath(currentPath));
Added Explorer at the bottom that contains the files in the actual folder