Refactor render_alerts Helper
Refactor render_alerts Helper

* Renamed some flashes to alerts for clarity & 
  consistency
* Removed unnecessary passing of flash as an 
  argument (it's always defined and accessible to this 
  method).
* Skip iterations if the thing we want to work with is 
  blank.
adammessinger/bug-out,adammessinger/bug-out,adammessinger/bug-out