update maven deets

Maven.md

@@ -12,7 +12,7 @@ sshj releases are present in the central maven repository:
 <dependency>
     <groupId>net.schmizz</groupId>
     <artifactId>sshj</artifactId>
-    <version>0.4.0</version>
+    <version>0.4.1</version>
 </dependency>
 ```
 
@@ -35,7 +35,7 @@ And a dependency on a sshj snapshot:
 <dependency>
     <groupId>net.schmizz</groupId>
     <artifactId>sshj</artifactId>
-    <version>0.4.1-SNAPSHOT</version>
+    <version>0.4.2-SNAPSHOT</version>
 </dependency>
 ```
 
@@ -47,15 +47,20 @@ additional dependencies
 [[slf4j|http://slf4j.org]] is a logging facade that sshj depends on. You need to add a slf4j binding and the implementation for that binding. If you don't have strong preferences for some logging framework, try [[logback|http://logback.qos.ch]] which natively implements the slf4j API.
 
 ```xml
+<dependency>
+    <groupId>org.slf4j</groupId>
+    <artifactId>slf4j-api</artifactId>
+    <version>1.6.1</version>
+</dependency>
 <dependency>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-core</artifactId>
-    <version>0.9.24</version>
+    <version>0.9.29</version>
 </dependency>
 <dependency>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-classic</artifactId>
-    <version>0.9.24</version>
+    <version>0.9.29</version>
 </dependency>
 ```
 
@@ -67,7 +72,7 @@ Throw in [[BouncyCastle|http://www.bouncycastle.org/java.html]] to be able to re
 <dependency>
     <groupId>org.bouncycastle</groupId>
     <artifactId>bcprov-jdk16</artifactId>
-    <version>1.45</version>
+    <version>1.46</version>
 </dependency>
 ```