Add optional --file for export/import
Fix FileStore::lfn_open() to conform to programming style
Switch to debug flag as global instead of passing around
For import make sure command run with sudo
Export files
Partial version of import which doesn't yet write out object files
Fix-up diagnostic output to check debug flag and use of stdout
Fix handling of error message from PG::read_log
Import export hobject_t instead of generated file name
Export omap
Add import of omap code
Still not writing object data or object omap
Disable import writing of info/log for development