Add in a delayed Reporter start for Unicorn on Heroku
Add two helpers to detect Heroku and forking webservers
Move the base require into the metal files
Delay reporting __Init until after fork when on Heroku
Conditionally report __Init for Sinatra/Padrino
Move outer __Init logic into report_init method
Bump gem version
Merge pull request #39 from appneta/issue_39

Support delayed Reporter Initialization for Forking Webservers