renamed config file from "infinity" to "global"
replaced textual references from infinity.ini to global.ini
dropped ini files in favor of php files which return arrays, see #90
field_options are now associative arrays instead of being automagically split at "=" char, see #90
feature sub options defined in config/features.php must not be passed as an array, see #90
dropped feature sub option defaults "dot" syntax in favor of passing a "defaults" option config as a sub option, see #90