Add NGINX autostart command to README.rdoc
Add NGINX HTTP->HTTPS redirect configuration to README.rdoc
Add Sphinx search server

Add 'thinking-sphinx' gem and update .gitignore
Add Sphinx installation to README.rdoc
Add Publication search and update views.

Add Sphinx index for Publication search.
Add Find action and view for Publication search.
Add Publication Show view with search history, PubMed metadata,
NeuroMorpho metadata, and communication sections.
Move Communication Status from Search Task Metadata view to
Publication Show view.