July update

* `reload_chrome` reloads active Chrome tab
* `prep-demo` alias to bring db structure from production and then remove
sensitive data
* better autocomplete behavior
* <Leader>" turns single-quoted strings to double-quoted
* <C-c>r resets tslime bound pane
* Updated plugins: yaml, markdown, javascript
* Removed double-inclusion of some path locations after thoughtbot cleaned up
 their order upstream