closing the sequence readers properly in the BridgeStore iterator
added a debug log statement when pushing metadata to the cache
removed an unnecessary saving of the metadata
separated the execution of layers from the retrieval of corresponding values. Fixes #210
fixed a broken dependency
set an example pending until fixed because he's always failing on the cluster
rearranged the PersistSpec
Pretty print file-sizes with meaningful unit
Merge pull request #211 from NICTA/pr-file-size

Pretty print file-sizes with meaningful unit
possible fix for #212
Relax the DList conversion constraints

This allows the .toSequenceFile and .toAvroFile methods to be visible
and discoverable without yet having the implicits written
made sure that the parent emitters of the last mappers of a GBK input channel are GBKs. fixes #215
fixed the unit test for the previous fix
updated the commit for CDH3
calling the output setup in the inmemory mode. fixes #217
Merge remote-tracking branch 'origin/conversion-constraints'
Reinstate matrix multiplication spec now that Reduction does not mandate associativity and therefore, addition on floating-point values is a valid reduction.
Merge branch 'master' of github.com:NICTA/scoobi