waf: update to waf-1.7.13
py-hwaf: add run_py_script feature
version: 20131009
doc: hwaf-bin comes from cern.ch/hwaf
hwaf-ext: more robust declare_build_external
version: 20131010
version: 20131010
find_root: better handling of +Dict
version: 20131010
find_python: just use python, not python2
Merge branch 'develop'
version: 20131011
find_root: preliminary support for root6. TODO: genmap feature replacement
hwaf-base: more debug statements
version: 20131015
all: introduce HWAF_PATH_VARS to detect what are the path-list vars
hwaf-project: properly configure projects in reverse order to get precedence correctly
Merge branch 'feature/proj-path-overlay' into develop
context: load hwaf-cfg.variant during .init
version: 20131017