am 6f44670a: am cbaead4c: am 540772fa: am cf469989: Add new variable SCAN_EXCLUDE_DIRS; specifies directories to exclude when searching source tree.

* commit '6f44670ada093f4a11a343dddf0f8d0a0a8280d6':
  Add new variable SCAN_EXCLUDE_DIRS; specifies directories to exclude when searching source tree.