added destroy method to all agents
brain now collects and remove all "dead" agents
added predefined priorities constants and default priority for Need
removed unused code from Utils. this class will soon be deprecated
replaced error console output by System.err
added missing call to Brain.onStart(), removed BWTA init from AI, singleton
renamed Units.Types for structures and added T1 production and techs
needs manager now sorting with support for predefined priorities
added new (commented) needs types for the future
first version (untested) of the structure building agent
fixed renamed BUILDING_BASE into BASE
ressources added to working set by git (dunno why)
force mineral agent servants type
changed mineralpatch needs priorities to be low (with lower level depending on range from nearest base)
Merged and resolved conflict due to BUILDING_BASE renamed to BASE

Merge branch 'master' of github.com:ideasmashup/special-tactics

Conflicts:
	SpecialTactics/src/org/ideasmashup/specialtactics/agents/Scout.java