Particle and Track work plans for 2010
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Particles:
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 * Update properties of particles (after PDG 2010 publish)
 * design study for Multi-core/multi-thread application
 - implementation of static tables (Particle Table etc.)
 - treatment of ions

Track:
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 * code review
 * Fix treatment of IsFirst/LastStepInVolume flag in G4Track 
 (need help of transportation) 
 * Design a scheme for more precision for tracking in time 
 (cooperation with transportation)