Update readme for 7.0.

Author: bmomjian

INSTALL

@@ -221,7 +221,7 @@ For a fresh install or upgrading from previous releases of PostgreSQL:
      mkdir /usr/local/pgsql/data
      chown postgres /usr/local/pgsql/data
      su - postgres
-     /usr/local/pgsql/initdb -D /usr/local/pgsql/data
+     /usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data
 
      The -D option specifies the location where the data will be stored. You
      can use any path you want, it does not have to be under the

README

@@ -2,7 +2,7 @@
 PostgreSQL Data Base Management System (formerly known as Postgres, then
 as Postgres95).
 
-This directory contains the development version of 6.6 of the PostgreSQL
+This directory contains the development version of 7.0 of the PostgreSQL
 database server.  The server is not ANSI SQL compliant, but it gets
 closer with every release.  After you unzip and untar the distribution
 file, look at file INSTALL for the installation notes and file HISTORY