commit 27934 by DingTo: Improved Addons in User Prefs by Keith Boshoff (wahooney) This adds a "description" field to addons (ideally a small 1 liner, with basic info)

[[Split portion of a mixed commit.]]

* Display operator name and stored recall parameters.
* TODO: Make parameter list collapsible?

* Changed the name of the script. ('Edit Object Parameters')
* Added warning about losing manual changes.
* Renamed file from space_view3d_object_recall_operator.py to space_view3d_edit_object_parameters.py

* Removed changes to 3D cursor.
* Removed removal of objects (Has to be handled in "Add Mesh" operator now.)

* Generic function to re-create an object that was created with a "Add Mesh" operator.
* TODO: Please read the "Known issues"