announce Java 7-compatible version

README.md

@@ -25,7 +25,7 @@
   * Extensible (see the list of **plugins** below)
   * Heavily tested (**99% code coverage**)
   * Well [documented](http://cfg4j.org)
-  * Java 8+ required
+  * Java 7+ required
 
 # Usage
 Read [an article about configuration management using cfg4j](http://potocki.io/post/141230472743/configuration-management-for-distributed-systems).
@@ -42,13 +42,13 @@ Explore the code of the [sample apps](https://github.com/cfg4j/cfg4j-sample-apps
 #### Gradle
 ```groovy
 dependencies {
-  compile group: "org.cfg4j", name:"cfg4j-core", version: "4.1.4"
+  compile group: "org.cfg4j", name:"cfg4j-core", version: "4.2.0"
   
   // For Consul integration
-  compile group: "org.cfg4j", name:"cfg4j-consul", version: "4.1.4"
+  compile group: "org.cfg4j", name:"cfg4j-consul", version: "4.2.0"
   
   // For git integration
-  compile group: "org.cfg4j", name:"cfg4j-git", version: "4.1.4"
+  compile group: "org.cfg4j", name:"cfg4j-git", version: "4.2.0"
 }
 ```
 
@@ -58,19 +58,19 @@ dependencies {
   <dependency>
     <groupId>org.cfg4j</groupId>
     <artifactId>cfg4j-core</artifactId>
-    <version>4.1.4</version>
+    <version>4.2.0</version>
   </dependency>
   <!-- For Consul integration -->
   <dependency> 
     <groupId>org.cfg4j</groupId>
     <artifactId>cfg4j-consul</artifactId>
-    <version>4.1.4</version>
+    <version>4.2.0</version>
   </dependency>
   <!-- For git integration -->
   <dependency>
     <groupId>org.cfg4j</groupId>
     <artifactId>cfg4j-git</artifactId>
-    <version>4.1.4</version>
+    <version>4.2.0</version>
   </dependency>
 </dependencies>
 ```