dependency clean-up. 

deps go into gemspec file to have them available for the gem release configuration
new: testing with guard
0.2.1 with guard
watch config files
updates from rails
remove init code

runinng init code on file include will break because than it will run before the rails framework is initialized. Gom::Log init code actually is moved to the config/initializer
deferring default output stream init

on gem load the rails config check will fails. Now i wait unit actuall logger instance creation before checking for rails env.
0.2.2 with deferred outstream init