Proto commits in stanford-ppl/Delite

These 6 commits are when the Protocol Buffers files have changed:

Commit:aa94c3d
Author:Arvind Sujeeth
Committer:Arvind Sujeeth

Checkpoint: Logistic regression running correctly with 2 nodes. - A host of fixes to bring the distributed runtime up to speed with other recent changes. - Adding serialization for DeliteFileInputStream - Passing type of DeliteArrayObject in the array message so that they can be generically deserialized (when inputs to kernels). - Using remote reads for both slave and master non-local accesses - Significant changes to stenciling and partitioning - Passing aliases through the DEG for use in partitioning - Upgrading to latest Hadoop / Protobuf versions

The documentation is generated from this commit.

Commit:9aaa5ec
Author:kjbrown

k-means working on multiple nodes: includes stencil analysis, scheduling, and object serialization

Commit:9948610
Author:kjbrown

basic support for remote reads

Commit:d0bfa57
Author:kjbrown

added support for hashReduce across multiple nodes and made activation records serializable

Commit:6129c2c
Author:kjbrown

added java sockets for communication

Commit:a4928df
Author:kjbrown

map,filter,reduce working in optiql test cases