Merge branch 'master' into develop

* master:
  ALM-652 updated documentation for v5 API, depreciated v3 API
  ALM-673 changed syntax for admin check
  ALM-673 added rack-mini-profiler gem
  Use \ instead of + to concatenate lines to be consistent with Ruby style guide. Closes #66.
  Adjust strings to '' from ""  & limit line lengths to make houndci happier
  Tidy up description further
  Change PubMed to include 'Central' in the names displayed. and put europe in the right place
  Extend possible intervals.
  Add in the success path too
ALM-673 keep Gemfile.lock.
ALM-673 small change to Gemfile.lock