Added ‘last generated time’ for the links checker report.
Merge branch 'master' of github.com:myGrid/biocatalogue

# By Aleksandra Nenadic
# Via Aleksandra Nenadic
* 'master' of github.com:myGrid/biocatalogue:
  Removed log rotation and cornolog parameters from biocat_local.rb.pre as they are now all in environments/production.rb.