* move marchlist into its own file

* move marchlist into its own file
* remove spaces from makefile; s.b. complained about this
* change the new iconbar room treeview from dynamic to static structures; this saves computing power and makes sorting / filtering much cheaper than having to search through a list for structure members.
* move room related stuff to its own header.
* cache floors in the session, thoy don't change in such a high frequency.