no stack tracing for the system module; fixes stack bottom detection
Merge branch 'master' of github.com:Araq/Nimrod
Runs user specified outFile if available. Refs #738.
Allows passing absolute paths for output. Refs #738.

Previous to this the project base dir was added always, preventing user
specified absolute paths to work.
Merge pull request #767 from gradha/pr_fixes_run_with_out

Fixes run command with outFile