Fixes and code cleanup

Cleaning up code and fixing miscellaneous bugs.
Code cleanup and defines; reworked wind code

Lots of code cleanup and defines. Reworked bits and pieces.
Completely redid the "Wind" code... extracted various bits to
independent sections, and got rid of handling the prefix "Wind".
Set normal mode; added mode to Build report

Defaults to compiling for normal mode; the mode compiled is
reported in the Build Report. A message about the requirement
for LinkList.lsl is added and ranted about...