use to_hash and to_json
cleanup template
methods should be in self
moved external_id_tag to options variable
new ruby style notation
added settings object to config spec
move configuration_file from settings to core, fixes #4
moved attr_accessor to parent object
use configuration.key
configuration_file is now in Core
env should be root
fixed paths in documentation
removed duplicate code
Merge branch 'develop' into internal-release

Conflicts:
	README.md
	lib/pushr/configuration.rb
	lib/pushr/core.rb
	lib/pushr/daemon/settings.rb