Simple class for shimming an OutputStream to slf4j
Redirect stdout and stderr to slf4j
cmd doesn't need +x
Consistent stdout/err logging for packages
Echo and exit helper
Fix variable name
Move common wait into startup script
merge nathanlws: Some tightening and defensiveness around stdout and stderr

Merge pull request #1023 from nathanlws/sql-layer/capture-stdout-stderr
https://github.com/FoundationDB/sql-layer/pull/1023