Use safe_walk in salt.util.list_files
Make module refresh work based on the event bus
Tighten up the loop_interval since we are not hitting

the file system all the time anymore
Change module sync to use the new event based refresh
Merge pull request #4752 from millerdev/safe-walk

Use safe_walk in salt.util.list_files
Fix accidental spelling regression
stateconf.statelist(): make default argument value immutable
Kill a bad raise statement, fix #4754
Merge pull request #4753 from cvrebert/patch-1

stateconf.statelist(): make default argument value immutable
add missing return stmt to FunctionWrapper.run_key()
Merge pull request #4755 from cvrebert/patch-2

add missing return stmt to FunctionWrapper.run_key()