Add documentation for git-map-branches, git-map, git-nav-downstream,

docs/man1/git-nav-upstream.1

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-.\"     Title: git-thaw
+.\"     Title: git-nav-upstream
 .\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
 .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
-.\"      Date: 03/13/2014
+.\"      Date: 03/14/2014
 .\"    Manual: Chromium depot_tools Manual
-.\"    Source: depot_tools f48b2c2
+.\"    Source: depot_tools a57ed8f
 .\"  Language: English
 .\"
-.TH "GIT\-THAW" "1" "03/13/2014" "depot_tools f48b2c2" "Chromium depot_tools Manual"
+.TH "GIT\-NAV\-UPSTREAM" "1" "03/14/2014" "depot_tools a57ed8f" "Chromium depot_tools Manual"
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 .\" * MAIN CONTENT STARTS HERE *
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 .SH "NAME"
-git-thaw \- Un\-freeze all changes on a frozen branch\&.
+git-nav-upstream \- Checkout the upstream branch of the currently checked out branch\&.
 .SH "SYNOPSIS"
 .sp
 .nf
-\fIgit thaw\fR
+\fIgit nav\-upstream\fR
 .fi
 .sp
 .SH "DESCRIPTION"
 .sp
-git thaw takes a frozen branch (as made by \fBgit-freeze\fR(1)), and returns it to the status that it was in before it was frozen\&.
+\fIgit\-nav\-upstream\fR takes the current branch, finds it\*(Aqs upstream branch, and checks that out\&.
+.SH "EXAMPLE"
 .sp
-If you freeze a branch multiple times (i\&.e\&. change files, freeze, change files, freeze), git thaw will thaw all of the freezes\&.
+.if n \{\
+.RS 4
+.\}
+.nf
+\fB$ git map\-branches\fR
+origin/master
+  cool_feature
+    \fBsubfeature *\:\fR
+  frozen_changes
+  master
+{NO UPSTREAM}
+  bogus_noparent
+\fB$ git nav\-upstream\fR
+\fB$ git map\-branches\fR
+origin/master
+  \fBcool_feature *\:\fR
+    subfeature
+  frozen_changes
+  master
+{NO UPSTREAM}
+  bogus_noparent
+.fi
+.if n \{\
+.RE
+.\}
+.sp
 .SH "SEE ALSO"
 .sp
-\fBgit-freeze\fR(1)
+\fBgit-map-branches\fR(1), \fBgit-nav-downstream\fR(1)
 .SH "CHROMIUM DEPOT_TOOLS"
 .sp
-Part of the chromium depot_tools 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(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\&.
 .SH "NOTES"
 .IP " 1." 4
 here
 .RS 4
 \%https://chromium.googlesource.com/chromium/tools/depot_tools.git
 .RE