Develop dropdown visibility

[ericfranz]

Fixes #74

[ericfranz]

Maybe NavConfig.developer_mode instead of NavConfig.show_develop_dropdown so we can use this in other places where it makes sense.

[nickjer]

I am fine with this, although developer_mode would be beneficial but not in this context. I could see developer_mode providing menus/forms for registering as a developer if not already one. As well as displaying shared apps.

But you will still need a boolean that determines whether the current user "is a developer". Something like developer?. E.g.:

<%= render partial: 'layouts/nav/develop_dropdown' if NavConfig.developer_mode? && NavConfig.developer? %>

[nickjer]

Although I also wouldn't be opposed to a separate object that describes Developer properties.

[nickjer]

I also would enable developer_mode as you have done, if ENV["OOD_APP_SHARING"].present?