link to assistant in summary and sidebar

doc/index.mdwn

@@ -1,12 +1,13 @@
 [[!inline raw=yes pages="summary"]]
 
-To get a feel for it, see the [[walkthrough]] or read about [[how_it_works]].
+To get a feel for git-annex, see the [[walkthrough]] or read about [[how_it_works]].
 
 [[!sidebar content="""
 [[!img logo_small.png link=no]]
 
 * **[[download]]**
 * [[install]]
+* [[assistant]]
 * [[tips]]
 * [[bugs]]
 * [[todo]]

doc/summary.mdwn

@@ -5,8 +5,9 @@ to limitations in memory, time, or disk space.
 
 Even without file content tracking, being able to manage files with git,
 move files around and delete files with versioned directory trees, and use
-branches and distributed clones, are all very handy reasons to use git. And
+branches and distributed clones, are all very handy reasons to use git.
-annexed files can co-exist in the same git repository with regularly
+
-versioned files, which is convenient for maintaining documents, Makefiles,
+[[!img align=left assistant/thumbnail.png link=assistant]]
-etc that are associated with annexed files but that benefit from full
+git-annex is designed for git users who love the command line.
-revision control.
+For everyone else, the [[git-annex assistant|assistant]] turns
+git-annex into an easy to use folder synchroniser.