Add a basic tutorial for the tools in depot_tools.

docs/man1/git-map-branches.1

Index: docs/man1/git-map-branches.1
diff --git a/docs/man1/git-map-branches.1 b/docs/man1/git-map-branches.1
index 7d1c5b3cfbc37f9029845a70daf332e7e87e6f0e..857825327a7d1c48bb286905c8b2ab3e68547d3e 100644
--- a/docs/man1/git-map-branches.1
+++ b/docs/man1/git-map-branches.1
@@ -2,12 +2,12 @@
 .\"     Title: git-map-branches
 .\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
 .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
-.\"      Date: 03/25/2014
+.\"      Date: 04/10/2014
 .\"    Manual: Chromium depot_tools Manual
-.\"    Source: depot_tools 207bff1
+.\"    Source: depot_tools 68b1017
 .\"  Language: English
 .\"
-.TH "GIT\-MAP\-BRANCHES" "1" "03/25/2014" "depot_tools 207bff1" "Chromium depot_tools Manual"
+.TH "GIT\-MAP\-BRANCHES" "1" "04/10/2014" "depot_tools 68b1017" "Chromium depot_tools Manual"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
@@ -130,6 +130,8 @@ If multiple branches are on the same commit, they will all be cyan\&.
 .sp
 Given the hypothetical demo repo in \fBgit-map\fR(1)\*(Aqs EXAMPLE section, and assuming that the frozen_changes branch was currently checked out, running \fIgit map\-branches\fR would result in an output like:
 .sp
+
+.sp
 .if n \{\
 .RS 4
 .\}
@@ -138,11 +140,10 @@ Given the hypothetical demo repo in \fBgit-map\fR(1)\*(Aqs EXAMPLE section, and
 origin/master
   cool_feature
     subfeature
-  frozen_changes *
-  master
-{NO UPSTREAM}
-  bogus_noparent
-  duplicate_cool_feature_no_upstream
+  fixit
+\fB    frozen_branch *
+\fR{NO UPSTREAM}
+  no_upstream
 .fi
 .if n \{\
 .RE
@@ -168,7 +169,7 @@ Some common short\-hand aliases\&. Feel free to add these to your \fI~/\&.gitcon
 \fBgit-map\fR(1)
 .SH "CHROMIUM DEPOT_TOOLS"
 .sp
-Part of the chromium \fBdepot_tools\fR(1) suite\&. These tools are meant to assist with the development of chromium and related projects\&. Download the tools from \m[blue]\fBhere\fR\m[]\&\s-2\u[1]\d\s+2\&.
+Part of the chromium \fBdepot_tools\fR(7) suite\&. These tools are meant to assist with the development of chromium and related projects\&. Download the tools from \m[blue]\fBhere\fR\m[]\&\s-2\u[1]\d\s+2\&.
 .SH "NOTES"
 .IP " 1." 4
 here