add stonesense to the build (if configured); docs

the `overlay` command option has been removed

docs/plugins/stonesense.rst

@@ -13,8 +13,6 @@ Usage
 
 ``stonesense`` or ``ssense``
     Open the visualiser in a new window.
-``ssense overlay``
-    Overlay DF window, replacing the map area.
 
 The viewer window has read-only access to the game, and can follow the game view
 or be moved independently. Configuration for stonesense can be set in the
@@ -24,10 +22,6 @@ unable to see the edges of the map with the overlay active, try decreasing the
 value for ``SEGMENTSIZE_XY`` -- normal values are ``50`` to ``80``, depending
 on your screen resolution.
 
-If you replace the map section of your DF window with ``ssense overlay``, be
-aware that it's not (yet) suitable for use as your only interface. Use DF's
-``[PRINT_MODE:2D]`` init option (in ``data/init/init.txt``) for stability.
-
 .. figure:: ../images/stonesense-roadtruss.jpg
    :align: center
    :target: http://www.bay12forums.com/smf/index.php?topic=48172.msg3198664#msg3198664

plugins/CMakeLists.txt

@@ -2,7 +2,7 @@ include(Plugins.cmake)
 
 option(BUILD_STONESENSE "Build stonesense (needs a checkout first)." OFF)
 if(BUILD_STONESENSE)
-    #add_subdirectory(stonesense)
+    add_subdirectory(stonesense)
 endif()
 
 option(BUILD_ISOWORLD "Build isoworld (needs a checkout first)." OFF)

plugins/stonesense

@@ -1 +1 @@
-Subproject commit 7b44c9dd0e0316c3edb66393de08591c95264e1a
+Subproject commit 6376bbc630feaf8b4f68623cdd2c28c87ac11af4