CHANGES:

 - Hobo::Dryml moved to Dryml
 - Hobo.static_tags moved to Dryml.static_tags
 - core.dryml moved to dryml/taglibs
 - generator_directories moved from constant to parameter to Dryml.enable
 - APPLICATION_TAGLIB not necessarily loaded automatically
 - generator input and output directors no longer hardcoded, must be passed to #enable
 - a bunch of functions in hobo.rb moved to dryml.rb
