Merge pull request #1 from nonhermitian/mcsolver_updates

Mcsolver updates
Fix seeds being reused error and a test for this
Merge pull request #275 from nonhermitian/mc_solver_fixes

mcsolver fix
Merge pull request #2 from nonhermitian/master

Merge pull request #1 from nonhermitian/mcsolver_updates
Merge pull request #277 from nonhermitian/mc_solver_fixes

Mc solver fixes
Revert "Mc solver fixes"
Merge pull request #278 from qutip/revert-277-mc_solver_fixes

Revert "Mc solver fixes"