update doc and notes

Author: ingydotnet

Diff for: ReadMe.md

@@ -51,6 +51,7 @@ The `git-subrepo` command benefits these roles in the following ways:
 * Moving/renaming a subrepo subdir just works.
 * Your git history is kept squeaky clean.
 * Upstream history (clone/pull) is condensed into a single commit.
+* You can see the complete subrepo history by using a subrepo remote branch.
 * Commits pushed back upstream are NOT condensed.
 * Easy to play around with subrepos and then reset back.
 * Does not introduce history that messes up other git commands.

Diff for: doc/git-subrepo.1

@@ -91,6 +91,9 @@ Your git history is kept squeaky clean\.
 Upstream history (clone/pull) is condensed into a single commit\.
 .
 .IP "\(bu" 4
+You can see the complete subrepo history by using a subrepo remote branch\.
+.
+.IP "\(bu" 4
 Commits pushed back upstream are NOT condensed\.
 .
 .IP "\(bu" 4

Diff for: note/ToDo

@@ -30,6 +30,8 @@
   - git-subrepo.d/remote
   - git-subrepo.d/commit
 
+- Rewrite the Intro doc.
+
 == Promotion
 
 - Git Commands