Prepare release 1.7.0 (#22)

Author: marchof

README.md

@@ -23,7 +23,7 @@ The latest version can be obtained with the following Maven dependency:
 <dependency>
     <groupId>io.javaalmanac</groupId>
     <artifactId>javadoclink</artifactId>
-    <version>1.6.0</version>
+    <version>1.7.0</version>
 </dependency>
 ```
 

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>io.javaalmanac</groupId>
 	<artifactId>javadoclink</artifactId>
-	<version>1.6.1-SNAPSHOT</version>
+	<version>1.7.0</version>
 
 	<name>io.javaalmanac.javadoclink</name>
 	<description>Generator for Javadoc deep links</description>