Added lodash dependency to package.json.
Extended Prana utils with lodash library.
Remove dumb whitespace;
Fixes #104: Created a system to load environment settings for applications handling inheritance and multiple file merging.
Made sure that even if we try to add applications before starting the serve, NODE_ENV falls back to 'production'.
Rename environemnt settings variable to make more sense upon reading the code.
Minor comment adjustments.