Manual updates

- Reverse order of prev/next buttons in html manual
- Rename "Playlist Catalogue" to "Playlists"
- Update order of menu items in "Playlists" context menu section
- Add "View Album Art" to "WPS Context Menu" section
- Adjust wording in "Playlists", "Basic Controls/Concepts" and
  "Database" section
- Fix: Playlists are saved to root directory (not cwd) if no path
  provided
- Fix: "Recursively Insert Directories" applies to all playlists,
  not just the current one
- Fix: Update description of "Create Playlist" option
- Generally refer to "current playlist" instead of
  "dynamic playlist" and remove reference to "on-the-fly playlist"

Change-Id: I200d19c5fb10f1f0ddb7d993827c90be4a7402b9

manual/rockbox_interface/wps.tex

@@ -61,7 +61,7 @@ your WPS (While Playing Screen).
       %
       \ActionWpsBrowse
       \opt{HAVEREMOTEKEYMAP}{& \ActionRCWpsBrowse}
-      & Return to the \setting{File Browser} / \setting{Database} / \setting{Playlist Catalogue}.\\
+      & Return to the \setting{File Browser} / \setting{Database} / \setting{Playlists}.\\
       %
       \ActionWpsContext
       \opt{HAVEREMOTEKEYMAP}{& \ActionRCWpsContext}
@@ -177,7 +177,7 @@ several indicators.
 
 \subsection{\label{sec:contextmenu}The WPS Context Menu}
 Like the context menu for the \setting{File Browser}, the \setting{WPS Context Menu}
-allows you quick access to some often used functions.
+allows you quick access to some often-used functions.
 
 \subsubsection{Current Playlist}
 The \setting{Current Playlist} submenu allows you to view, save, search, reshuffle,
@@ -328,3 +328,6 @@ This may even be the whole track.
   \end{btnmap}
 
 }
+
+\subsubsection{View Album Art}
+Display artwork for the currently playing track.