labelListModel and View: add the possibility to make permanent labels
labelListView: shrink to the minimum size to surround current labels
counting separated list for boxes and list for labels
shell: If the workflow specified in the project is unrecognized, ask the user.
DataSelectionGui: When adding new datasets to a lane's layerstack, ensure that the data for the currently selected role is shown on top, regardless of the new dataset's role.
Fixes #420
Merge branch 'master' of https://github.com/ilastik/ilastik into counting-newboxes
labelingDrawerUi.py: add possibility to reset the empty messsage string
display add box in counting 1
labelListView and Model, change the way to implement column functionality to make it easier subclassing
new boxes start implementing sincronization with boxListModel
new boxes sincronization for deletion and selection
new boxes sincronization with an element on the boxListModel
counting: hide wiever controls
counting added boxList Model
labelListModel.py, signal from the objects are forwarded to the model
counting: sincronize the labels counts
counting: change opacity boxes
added column for fixing values
counting change boxes color from gui
merge color changes