Clean up the rest of the tools

* Almost full consistency between tools
* Removed all semicolons, trailing whitespace, unnecessary whitespace,
unnecessary code
* Tweaked default values for some of the tools, tweaked limits in
context panels for some of the tools
* Added right click option for lamp tool to copy settings of another
lamp
* Deprecated settings/controls/* stuff, noone uses it, serves no
benefit.
Merge pull request #713 from robotboy655/tools

Clean up the rest of the tools