Translation files updated.

This patch updates the translation files.

Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
Optionally check for ncurses pkgconfig file.

v3 - also link against ncursesw.
Translation files to powertop

Updated changes to translation files.

Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>