- Improved: Added prefix "DL_" to all attributes of the file-array (SOURCE[], FILE[], ..)
- Improved: refactored variable creation and moved code to builder-utils.sh
- New: Added DIST_FORCE_DOWNLOAD variable to select wget or plowdown
- Improvement: refactored code
- New: Added log_info() and log_debug() functions
- New: Added new array WINST_* (builder-product.cfg) to defined custom winst variables
