Fix hollie/misterhouse#475: Restart Mister House does not work

Call to Timer::set used single quotes for code reference.  Fixed
with double quotes.  Also added an Exit option to shutdown MH.
Updated bin/mh.bat to be consistent with bin/mhl in support of
the restart/exit logic.
Merge pull request #476 from mstovenour/fix_issue_475

Fix hollie/misterhouse#475: Restart Mister House does not work