remove log4j, tell people how to add it back

Signed-off-by: Chris Granger <ibdknox@gmail.com>

README.md

@@ -12,6 +12,27 @@ Simply add Korma as a dependency to your lein/cake project:
 
 For docs and real usage, check out http://sqlkorma.com
 
+To get rid of the ridiculously verbose logging, add the following into src/log4j.xml:
+
+```xml
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+  <logger name="com.mchange">
+    <level value="WARN"/>
+  </logger>
+</log4j:configuration>
+```
+
+And include log4j in your project.clj:
+
+```clojure
+[log4j "1.2.15" :exclusions [javax.mail/mail
+                            javax.jms/jms
+                            com.sun.jdmk/jmxtools
+                            com.sun.jmx/jmxri]]
+```
+
 ## Examples of generated queries:
 
 ```clojure

project.clj

@@ -1,13 +1,8 @@
 (defproject korma "0.3.0-beta7"
   :description "Tasty SQL for Clojure"
   :url "http://github.com/ibdknox/korma"
-  :dependencies [[org.clojure/clojure "[1.2.1],[1.3.0]"]
+  :dependencies [[org.clojure/clojure "1.3.0"]
                  [c3p0/c3p0 "0.9.1.2"]
-                 [log4j "1.2.15" :exclusions [javax.mail/mail
-                                              javax.jms/jms
-                                              com.sun.jdmk/jmxtools
-                                              com.sun.jmx/jmxri]]
                  [org.clojure/java.jdbc "0.1.0"]]
   :codox {:exclude [korma.sql.engine korma.sql.fns korma.sql.utils]}
-          :dev-dependencies [[org.clojars.rayne/autodoc "0.8.0-SNAPSHOT"]
-                             [postgresql "9.0-801.jdbc4"]])
+          :dev-dependencies [[postgresql "9.0-801.jdbc4"]])