[Tunji, Paul] changed the admin/index and devices/index from erb to slim
Ensure that enquiries, devices & reports tabs are shown as selected
Merge branch 'master' of https://github.com/Teejay005/RapidFTR into Teejay005-master
Fixes test that was failing due to improper nesting
Merge pull request #720 from tomclement/Teejay005-master

Changes admin and devices index pages to use slim instead of erb templates