Merge pull request #40 from gpasquie/link-medGui-medSQL-removal

link medGui-medSQL removal
No more pop-up window when selecting itk filters
Merge pull request #39 from LoicCadour/itkfilters-popup

Selecting ITK filters pops up a window
focus pb solved
filtering workes after double click
refactoring in medViewContainer
dropped() signal renamed and focus method modified
dropped() signal renaming 2
medTabbedViewContainers::onCurrentContainerChanged modified not to call setFocus on current container