Openbox: further synchronization against i3

This affects:

- Launcher (W-D instead of W-Space)
- Toggling to Desktop (W-Space instead of W-D)
- Reconfiguring (W-S-C, new)
- Exiting (W-S-E, new)
- Calling a xterm (W-Return, new)

.config/openbox/rc.xml

@@ -272,7 +272,7 @@
         <to>5</to>
       </action>
     </keybind>
-    <keybind key="W-d">
+    <keybind key="W-space">
       <action name="ToggleShowDesktop"/>
     </keybind>
     <!-- Keybindings for windows -->
@@ -374,16 +374,29 @@
         <command>scrot</command>
       </action>
     </keybind>
-    <keybind key="W-space">
+    <keybind key="W-d">
       <action name="Execute">
         <command>dmenu_run -fn 'Hack-9' -sb '#586e75' -sf '#eee8d5' -nb '#eee8d5' -nf '#586e75'</command>
       </action>
     </keybind>
+    <keybind key="W-S-c">
+      <action name="Reconfigure">
+      </action>
+    </keybind>
+    <keybind key="W-S-e">
+      <action name="Exit">
+      </action>
+    </keybind>
     <keybind key="W-l">
       <action name="Execute">
         <command>slock</command>
       </action>
     </keybind>
+    <keybind key="W-Return">
+      <action name="Execute">
+        <command>x-terminal-emulator</command>
+      </action>
+    </keybind>
   </keyboard>
   <mouse>
     <dragThreshold>1</dragThreshold>