Prepare release v2.5.1

pom.xml

@@ -11,7 +11,7 @@
 
 	<groupId>org.jbake</groupId>
 	<artifactId>jbake-core</artifactId>
-	<version>2.5.1-SNAPSHOT</version>
+	<version>2.5.1</version>
 	<packaging>jar</packaging>
 
     <name>jbake</name>
@@ -76,14 +76,14 @@
         <pegdown.version>1.6.0</pegdown.version>
         <jetty.version>8.1.19.v20160209</jetty.version>
         <orientdb.version>1.7.10</orientdb.version>
-        <groovy.version>2.4.7</groovy.version>
-        <slf4j.version>1.7.21</slf4j.version>
-        <logback.version>1.1.7</logback.version>
+        <groovy.version>2.4.8</groovy.version>
+        <slf4j.version>1.7.22</slf4j.version>
+        <logback.version>1.1.9</logback.version>
         <assertj.version>1.7.1</assertj.version>
-        <thymeleaf.version>3.0.2.RELEASE</thymeleaf.version>
+        <thymeleaf.version>3.0.3.RELEASE</thymeleaf.version>
         <json-simple.version>1.1.1</json-simple.version>
         <!-- <pebble.version>1.3.0</pebble.version> -->
-        <jade.version>1.2.3</jade.version>
+        <jade.version>1.2.5</jade.version>
         <!-- <spock.version>1.0-groovy-2.4</spock.version> -->
         <mockito.version>1.10.19</mockito.version>
     </properties>