New file CanvasConnection.qml

canvas without connectionWrapper
Merge branch 'develop' of github.com:buttleofx/ButtleOFX into develop
Connection input to output / output to input : ok

Still problems with multiples input.
Problems at disconnection too.
Issue #27
Fix bugs connections

fix #27
Merge branch 'develop' of github.com:buttleofx/ButtleOFX into develop
Default value on right click on the title of paramChoice
Title of paramBoolean is now in bold when the user modified it
Canvas : enable to select a connection.

fix #13
Merge branch 'develop' of github.com:buttleofx/ButtleOFX into develop
bold font for paramDouble when changed
Bold font for paramDouble2D when modified
Bold font for paramDouble3d when modified
Bold font for paramInt, Int2d and Int3d when there are changed
Bold font if value of ParamInt is changed
Merge branch 'boldOnParam' into develop
Update functions called on key events and from the tool bar
Select multiple nodes with click + ctrl

Changed cmdDeleteNode to cmdDeleteNodes. We now have a list of currentSelectedNodeNames instead of a single node name. We can copy/paste/duplicate multiple nodes at a time.
Modify key events to allow mutiple selection on ctrl + click
Menu on right click
Merge branch 'develop' of github.com:buttleofx/ButtleOFX into develop

Conflicts:
	buttleofx/MainWindow.qml
	buttleofx/data/buttleData.py
	buttleofx/manager/nodeManager.py