delete buffer in qfssample_main
return -1 if data is NULL
use std::string in mstress Path
Implement createNonRecursive for HBase.  Fixes #21
fix typo
actually fix missing line
Merge branch 'dev/lint'.  Closes #20.
Return false from QFS.delete() when FileNotFound.  Fixes #18.
Kfs client: fix completion recursion unwinding in Writer::Impl::ReportCompletion(), by ensuring that the chunk writer still exists after completion invocation in TryToCloseIdle().
Qfs client: fix completion recursion unwinding in Reader::Impl::ReportCompletion(), by ensuring that the chunk reader still exists after completion invocation in TryToCloseIdle().
Chunk server: replace assertion with die().
Qfs hadoop shim: use rmdirs() for recursive directory removal in order to reduce cpu utilization by avoiding c++ / java marshaling of directory listings. Add recursive directory removal test to KfsTest.java.
Merge branch 'master' into topic/tiered_storage