- changes to the bitflags and associated functions - labeled all of the ZCF_* states and ZPG_* flags   (was having an assert failure on zpg_flags during flush) *** this version still needs smoothing     In particular, Jared has a better API for the bitflag function
- changes to the bitflags and associated functions
- labeled all of the ZCF_* states and ZPG_* flags
  (was having an assert failure on zpg_flags during flush)
*** this version still needs smoothing
    In particular, Jared has a better API for the bitflag function


git-svn-id: f2acecaac6fbd5a03f3d4799db58dda434111981@4254 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/pfl,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable