update readme to match current reality

README.md

@@ -56,11 +56,15 @@ See the `Installation` section at http://mojolicio.us/ for details.
 You will need the following packages installed in your version of Perl:
 
     DBD::Pg
+    DBI
     Date::Simple
-    Email::Sender
+    Digest::MD5
-    Pg::Explain
+    Email::Sender::Simple
+    Email::Simple
     Email::Valid
-
+    Mojolicious
+    Number::Bytes::Human
+    Pg::Explain
 
 Install the above packages using `cpan` then `-i Date::Simple`, `-i Email::Sender`, &etc.
 
@@ -75,7 +79,12 @@ Debian, you can:
                     libxml-simple-perl  \
                     libdbd-pg-perl
 
-And then only add `Pg::Explain` via CPAN.
+And then only add missing modules via CPAN.
+
+Alternatively, if you have `cpanm` program you should be able to install all
+dependencies using:
+
+    cpanm --installdeps .
 
 ### 3) PostgreSQL
 You'll need to have PostgreSQL installed in order to record all the explain
@@ -88,11 +97,16 @@ in the default schema `public`.
 
 #### 3B) Run SQL scripts
 Log in to the `explain` database and execute the SQL scripts located in this
-project's `sql` directory in the following order:
+project's `sql` directory.
+You should start with create.sql:
 
     \i create.sql
+
+And then load all patch-NNN.sql files in their numerical order:
+
     \i patch-001.sql
     \i patch-002.sql
+    ...
 
 The `create.sql` will create tables in the `explain` database `public` schema,
 i.e. `plans` and `users`.