Decimate number of frame paintings.

Update version number to 1.6.4 and fix cmake build for icesh by addin…

…g ytimer.cc.

Update from released.

Translated using Weblate (Italian)

Currently translated at 99.1% (461 of 465 strings)

Translated using Weblate (Spanish)

Currently translated at 99.4% (462 of 465 strings)

Translated using Weblate (Slovak)

Currently translated at 100.0% (465 of 465 strings)

update po files

Prepare for release 1.4.2.

Prepare for 1.4.1 release.

Changes to print_configured to make it compile under CMake.