branch hadoop-1.03 into the source tree,

[clockfly]

branch hadoop-1.03 into the source tree.

1. merge all native task code into it. so that we can easiliy have a testable code base.
2. Merge facebook code into this, so that we can compare the performance.

[clockfly]

Completed. the source code at https://github.com/clockfly/nativetask/tree/master/patch/hadoop1.03_with_native_task_patched