Animator wip
SceneContainer : add useBuffers as parameter
pull VTKLoader from three.js + make it more robust
added underscore.js and parallel.js libs
updated three.js to r57
improve handling of cache directory
ThreeContainer and SceneContainer : camera bugfixes
doc
cleanup
Actions.js : bugfix
Action.js cleanup + fix
FileBrowser : use case-insensitive files sort, cleanup
cleanup
doc, cleanup
cleanup
rmeoved useless return statements in constructors
fiw doc
ThreeContainer : fix snapshot factor handling
SliceView : fix race condition when changing slice, was causing webGL errors
SliceView bugfix : define default paint color