Log Message:
x11/sakura: update to 3.8.8

 - new color palette: Hybrid
 - solve cmake deprecation warnings
 - solve github issue #38 (windows key accelerator not working)
 - now command line commands apply to all tabs
 - more consistent behaviour for filenames with spaces
 - added support for shell programs different from the login shell (non-bash)
 - disable tab scrolling because it's not working as expected (solves issue #45)
 - let child processes manage button events if needed (solves issue #48)
 - add a term option to set the default terminal (solves issue #49)
 - remove show closebutton option from the contextual menu (still available in \ 
the config file
 - update translations