Restructured module namespace

'qraat' is the package, 'qraat.rmg' is the detector (gr-rmg).
Begin sphinx documentation.
Docstrings for det_file, est_data, data_arrays
docstrings for qraat.rmg.
Added TOOD
Modified status.phtml to show free disk space.
Restructured module namespace

'qraat' is the package, 'qraat.rmg' is the detector (gr-rmg).
Begin sphinx documentation.
Docstrings for det_file, est_data, data_arrays
docstrings for qraat.rmg.
Added TOOD
Schedule change

These are Marcel's changes.
Updates to web page status, removed qr_status.php.
Further tweaks to status.phtml.
Modified rmg_readestfile to write filename column to est table.
Modified rmg_backup to work properly and reduce log output.
Removed web/qr_status.php for real.
Modified rmg_logrotate to keep less data.
Modified web/status.phtml to show actual GB values.
Modified rmg_env to include backup paths.