* Change: In bootstrap, in socInstaler.sh, use the current version of
rapidjson.
* Change: In Hurricane, in FileWriteGzStream, complie to the latest
rapidjson headers organization.
* New: In Hurricane, in Cell, emit a new signal CellDestroyed toward the
observers (i.e. the CellViewer(s)), from _preDestroy().
* Change: In Hurricane, in CellViewer, in CellObserver::notify(), manage
the CellDestroyed case. Do not forget to remove the deleted Cell
from the viewer's history.
f28daec401
