Merge branch 'revert' into 'master'

truncate long window labels, maximized windows have no visible border, fix makefile

See merge request nilix/ryudo!1

fix truncation of long window labels

remove -grey option and related code (no bg setting); maximized window borders are off the edge of the screen now; truncate long window labels

added a TODO for performance improvements in key.c

add urxvt to exec-failed message

tweak README again

tweak README

first commit

Merge branch 'master' into 'revert'

# Conflicts:
#   key.c
#   manage.c

truncate long window labels, maximized windows have no visible border, fix makefile