Merge pull request #273 from mpharrigan/msmb2.8

Msmb2.8 bugfixes
resolve the fix
test import fastcluster before hierarhical script test.
Merge pull request #279 from SimTk/28fixes

test import fastcluster before hierarhical script test.
reduced precision in wrapper test
Merge pull request #281 from SimTk/fix_assign_script_test_failure

reduced precision in wrapper test
Fixed docs to ask for csr matrices.
Merge pull request #283 from SimTk/csrfix

Fixed docs to ask for csr matrices.
Added points on cube test.
Merge pull request #284 from SimTk/testsystems

Added points on cube test.
Added final carbon to AtomIndices.dat in reference.
Fix to calculateImpliedTimes.py
Merge pull request #285 from SimTk/moar

Moar
Had to old atom indices file to match saved reference generators.
Merge pull request #286 from SimTk/again

Had to old atom indices file to match saved reference generators.
Fix for save_structures issue.
Hackaround the script ConvertData test failure.
Removed extra comment.
Reverted some changes to test_wrappers.
Reverted some changes to test_wrappers.