Modified the MPI and MPI-LPEL configs to work with openmpi on OS X.
Added OSX dSYM util folders and test output to the .hgignore file.
Improved error reporting in C4SNet.
Added test config that runs valgrind on all pthread tests.
Installing the SAC4SNet libraries results in a make error due to incorrect hook
use.
Replace INCLUDES by AM_CPPFLAGS, as suggested by Automake 1.13.
Fix builddir != srcdir for sac4snet.
Packaging fix: missing snet.mkf.
Packaging fix: clean snet-config.mkf.
Enhance the build for sac4snet.
Merge pull request #36 from knz/snet-master

Miscellaneous fixes to the configuration / build / test system (no functional/API changes)