updated the README file source tar file location.
fixed for unit test failure on pkgagent, because the test data is incorrect, should data insert into uploadtree_a.
Merge pull request #11 from erikd/master

Build system cleanup and improvements.
nomos : Check return value of strerror_r().
sqlCopy.c : Fix unsafe usage of strncat.

This was actually safe due to some pre-condition checking code, but gcc
4.9 was warning about it because it could detect the issue, but not the
pre-condion checking.