Add support for dynamic loading of formats supported by iHat
Don't call iHat when testing
Move Ihat request to initializer

Fail gracefully when the application starts by warning that
ENV['IHAT_URL'] has not been defined or the server cannot connect to the
specified server
WIP
modularize initializer and spec it
make sure ihat_supported_formats is always defined
Make sure the tests run even when the configuration isn't present
typo
Merge pull request #521 from Tahi-project/dynamic-downloads-dropdown

Add support for dynamic loading of formats supported by iHat