Update df.buildings.xml

Added flags for hive.
Merge branch 'master' of git://github.com/jjyg/df-structures

Conflicts:
	df.buildings.xml
Fix color_modifier_raw (color IDs are actually pattern IDs), add some other stuff
Other variant floors have 1-4; FrozenFloor should too
Add names involved in on_ground glob/drink/liquid auto-cleaning.
Update CSV
Name a vector listing inorganic material uses, as found by ab9rf.
Update CSV