Fix Python MOSES score parsing bug and upgrade unit tests
Merge pull request #323 from cosmoharrigan/MOSES

MOSES Fix Python MOSES score parsing bug and upgrade unit tests
remove some cruft includes
Replace boost transform construct by C++11 range loop (more compact)
atomspace: add a read-lock for the atom set.
Add locks to the AtomTable.
bugfix cython test case

OK, the cython test case checks the string format.  Why?
Is this really necessary?
Merge pull request #326 from linas/master

add locks to atomtable, fix cython testcase