in the generated DOI use downcase filetype rather than camelcase
OPSK-85 - synchronise ontology task depends on tmp:create

fails if the tmp directory is missing when run in production
OPSK-86 removed the sunspot config from git and added as a default

to avoid changing a file in git when configuring the server

a default now exists that needs to be copied. the sunspot.yml will be included in .gitignore
OPSK-86 updated install doc and ignore sunspot.yml
test fix
recaptcha disabled by default

cannot be enabled without the keys being set
handle the error when pubmed query service at ncbi is not accessible

and report back a message to the user
notify exception when pubmed is unavailable
recaptcha setting test fix
Merge branch 'seek-0.22'