add search bar for post titles
paginate and sort search results
change searches model passed argument name
render error message for no search results
delete negation in search show view
search box uses search controller & model
deleted searches index route & blank line
name changes
update posts naming
Merge pull request #21 from cgruppioni/cg-search-bar

Search bar for post titles
readme rough draft
read me draft 2
readme draft 3
draft 4