bump version
change return value for check_config controller
remove selective return for packages generator (unused)
move build_path from package constructor
introduce relative_final_path
fix local sed for OSX
clarify the pre-package function role
relative path for environment package
one unique type of application
debug mode for templates
rename relative_path to target_path
pop out version from config
remove ServicePackage so that it is used as an ApplicationPackage + minor refactoring
remove unused code
enhance example for static folder
add static version in the option
clone the configuration options before poping them out
use configuration package instead of application if needed
generate static files at the end, when all packages are already done
generate static files at the end, when all packages are already done