Log Message:
Update to 0.18.1, set LICENSE.

Changes in 0.18.1:
------------------
* Fixed Makefile.am to byte-compile Python files, bug #596702 (Daniel Macks)
* Updated translations:
  ar    (Khaled Hosny)
  ca    (Gil Forcada)
  de    (Mario Blättermann)
  ml    (Ani)
  ro    (Lucian Grijincu)
  ru    (Leonid Kanter)