Restore missing || in config for the vm.box setting
Quick and basic tag crud operations for admin users
Use community searchkick as it now includes wordnet

@amoose submitted a patch (ankane/searchkick#250) to include support
for wordnet and we were previously using his patched fork. It has now
been included in the master branch of searchkick so I am switching back
to the community version.
Merge branch 'feature/use_community_searchkick' into dev

This fixes #216. I'm not sure exactly what the issue was but I'm not
going to look into it further unless the problem returns.
Improved administration of answers with respect to questions
Experimenting with ELK stack for logging purposes