Support for output grouping and writing simultaneous socket and file output.
Merge remote-tracking branch 'ajameson/master'
Bug fix in stride calculation and small changes.
Merge branch 'master' of ssh://git.code.sf.net/u/gilgalad55/heimdall-astro
Add option to group candidate files into a single output file.
Support writing to name-mangled file during PSR...
Allow passband to read PSRFITS levels.
Remove commented-out cfitsio calls.