Small doc updates.

- Alternate doc explanation for people using an older git version.
- How to start PostgreSQL

Documentation/dev-readme.txt

@@ -63,6 +63,13 @@ going to use, and possibly update properties such as "user" and
 PostgreSQL Setup
 ~~~~~~~~~~~~~~~~
 
+Initialize and start PostgreSQL (where $data is the location of your data):
+
+===
+  initdb --locale en_US.UTF-8 -D $data
+  postmaster -D $data >/tmp/logfile 2>&1 &
+===
+
 Create the JDBC user as a normal user (no superuser access) and
 assign it an encrypted password:
 

Documentation/install.txt

@@ -179,7 +179,7 @@ any Git repository stored within it.
 
 ====
   mkdir /srv/git
-  git config --file=$site_path/gerrit.config gerrit.basePath /srv/git
+  git config --file $site_path/gerrit.config gerrit.basePath /srv/git
 ====
 
 You may wish to consider also exporting this directory over the