- Also adds ABSTRACT and NODROP flags in preparation for removal of
canremove and abstract vars.
- Sorts some of the setup.dm flags so they're in order.
- Replaces 'flags & 2' in policetape.dm with pass_flags & PASSTABLE,
should have the same effect.
Third virus transmission type, only transmits through blood injection.
Contacting infected blood will _NOT_ transmit the disease, only through
getting infected blood into your blood will the disease be transmitted.
Opens up a whole new ballgame for targeted viruses, along with disabled
mutations. Antagonist and Security-Buffing Virologists unite!
1) Viruses no longer mutate in mobs.
2) Fixed a runtime error with IS_SYNTHETIC check in activate()
3) Antibody Analyzer has a green sprite, to make it easier to
distinguish from the Health Analyzer
-Fixed derp with analyser.
Refactoring virus2, Part II - Viruses.
-Removed obsolete curing/resistance methods.
-Split base.dm into disease2.dm, effect.dm, helpers.dm.