typo fixed
NodeUtil enhancements:

- adding and removing nodes from parent nodes
- recursively searching nodes at a given location
added window control from labs project:

- removed WindowControlUtil since the API was not stable enouth
- selectable node support removed, SelectableNode interface still present
   to allow users to provide an implementation
using lambdas
javadoc fixed
defining dependency to common project
adding default css and svg files
removed ugly boundslistener in window control
Merge branch '8.0' of https://github.com/JFXtras/jfxtras into 8.0
adding window sub-project to gradle settings
basic testfx tests for window control added
adding dependency to test-support
removed old jdk 7 code
Merge pull request #3 from miho/8.0

Window control added to JFXtras