Put search-tip as default element value (as previously)
Fix StreetView => GoogleEarthView
Fix activate - desactivate cascade

Previously:

A plugin call the activate method
=> It deactivate an other plugin
=> He call the deactivate method
=> The auto activate plugin is activated but it shouldn't ...
Merge pull request #827 from camptocamp/ge

Fix StreetView => GoogleEarthView
Merge pull request #826 from camptocamp/fts

Put search-tip as default element value (as previously)
Merge pull request #828 from camptocamp/activate-desactivate-cascade

Fix activate - desactivate cascade
Move the `if` for IE windows
Merge pull request #830 from camptocamp/ie

Move the `if` for IE windows
plugin PositionChooser