Fixed the way in which we add tools to be self contained in the views. This also fixed the tools connections when moving back and forth between exploration an dsearch.
Merge branch 'chart-view' into self-contained-tools

* chart-view:
  Fixed the way in which we add tools to be self contained in the views. This also fixed the tools connections when moving back and forth between exploration an dsearch.
Merge pull request #76 from Kitware/self-contained-tools

Self contained tools