- resurrect retrieval item peeking but discourage its use due to   inherent race conditions - merge the code amongst timed and untimed retrievals (lc_gettimed)
- resurrect retrieval item peeking but discourage its use due to
  inherent race conditions
- merge the code amongst timed and untimed retrievals (lc_gettimed)



git-svn-id: f2acecaac6fbd5a03f3d4799db58dda434111981@4856 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

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