Added Sapi.database_summary method. Added rake import:stats task
slight improvements to cites listing changes form
fixed the way hash annotations are imported
Merge branch 'master' of github.com:unepwcmc/SAPI
Display reference stat
Merge branch 'master' of github.com:unepwcmc/SAPI
Merge branch 'master' into reference_relationships

* master:
  Display reference stat
  fixed the way hash annotations are imported
  slight improvements to cites listing changes form
  Added Sapi.database_summary method. Added rake import:stats task