Log Message:
wm/herbstluftwm: update to 0.9.4

-Test that list_monitors mentions monitor names (#1319)
-Test directional monitor references (#1318)
-Set X11 property for client's floating state (#1325)
-Update floating geometry if size hints change (#1324)
-Add client attribute 'decoration_geometry' (#1326)
-Move text drawing to own function (#1328)
-Migrate spawn and wmexec to Input and add tests (#1330)
-Shorten window title to decoration width (#1329)
-Add an autostart object (#1332)
-Update cursor shape and resize accordingly (#1331)
-spawn: Print error message on exec failure (#1333)
- Fix redundant autostart sh logic (#1338)
-tests: increase process shutdown timeout (#1341)
-tests: Close stdout/stderr after subprocess.Popen (#1343)
-tests: Fix Xvfb shutdown timeout (#1351)
-Attribute to disable window decorations (#1374)
-Draw tabs in max layout (#1381)
-Raise undecorated fullscreen windows above panels (#1385)
-React to focus stealing via XSetInputFocus (#1386)
-Extend 'foreach' by a --filter-name=REGEX flag (#1387)
-Draw title of tabbed windows before horizontal border (#1393)
-Extend foreach command by --unique and --recursive (#1394)
-Add settings.ellipsis (#1400)
-Let active and inactive tabs have same text width (#1401)
-Add attributes 'title_when' and 'title_depth' (#1399)
-Simplify urgency handling by using signals (#1402)
-Move input focus handling to XMainLoop (#1403)
-Handle mouse clicks in correct order (#1404)
-Check early on click if client resize is possible (#1408)
-Avoid theme.h include in client.h (#1409)
-Add theme options for unselected tabs (#1410)
_Do not map already visible unmanaged windows (#1411)
-Fix input focus for preexisting clients (#1412)
-Prevent endless focus stealing loop (#1413)