Resusage & odbc fixes

Fixing Order of logging timestamp & hostname in resusage
Added a new block in the switch statement to handle the value type
Refs #63
resusage timestamp format fixup
IPMI Plugin - Added logging the sample time even while logging credentials
remove time from resusage process stats
fix merge conflicts with OPAL_PID, add OPAL_INT64
bump rc VERSION
Merge branch 'vin_resusage_odbc_fix' into v0.5
VERSION 0.5.0 final