add test_writeout.py to the test suite

- was able to find and install hdf5io related libraries
- TODO: probes with spikes are not yet implemented
test_writeout is not an active test in harness
use marshalling to transfer origin functions
remove probe dependency on the network instance
attempt to pass the functions through a file [broken]
fix the import problem
convert tests to use the functions.py hack
fix tests
Test harness now activates and deactivates daemon.
remove unused lines and add is_distributed flag to network
Merge pull request #82 from Hudon/distribute_local_rebased

Distribute local rebased
Merge remote-tracking branch 'origin/master' into add_hosts_file

Conflicts:
	src/nef_theano/network.py