webapp: Automatically install Konqueror integration scripts to get and drop files.

Based on the example from the tip, but modified to cd into the repo before
running git-annex, since konqueror does not. Also, at least on my system,
the directory is ~/.kde, not ~/.kde4. (konqueror 4.12.4)

This commit was sponsored by Jürgen Peters.

doc/tips/file_manager_integration.mdwn

@@ -3,10 +3,11 @@ annexed files to get or drop.
 
 [[!toc]]
 
-## GNOME (nautilus)
+## GNOME (nautilus) and KDE (Dolphin/Konqueror)
 
-Recent git-annex comes with built-in nautilus integration. Just pick the
-action from the menu.
+Recent git-annex comes with built-in integration for the file managers of
+these desktop environments. These let you pick git-annex get and git-annex
+drop actions from the context menus when right-clicking on a file.
 
 [[!img assistant/nautilusmenu.png]]
 
@@ -14,30 +15,8 @@ action from the menu.
 
 This is set up by making simple scripts in
 `~/.local/share/nautilus/scripts`, with names like "git-annex get"
-
-## KDE (Dolphin/Konqueror)
-
-Create a file `~/.kde4/share/kde4/services/ServiceMenus/git-annex.desktop` with the following contents:
-
-        [Desktop Entry]
-        Type=Service
-        ServiceTypes=all/allfiles
-        MimeType=all/all;
-        Actions=GitAnnexGet;GitAnnexDrop;
-        X-KDE-Priority=TopLevel
-        X-KDE-Submenu=Git-Annex
-        X-KDE-Icon=git-annex
-        X-KDE-ServiceTypes=KonqPopupMenu/Plugin
-
-        [Desktop Action GitAnnexGet]
-        Name=Get
-        Icon=git-annex
-        Exec=git-annex get --notify-start --notify-finish -- %U
-
-        [Desktop Action GitAnnexDrop]
-        Name=Drop
-        Icon=git-annex
-        Exec=git-annex drop --notify-start --notify-finish -- %U
+and by making a 
+`~/.kde/share/kde4/services/ServiceMenus/git-annex.desktop file.
 
 ## XFCE (Thunar)