Switch master to version 2.6

Author: uschindler

build.xml

@@ -115,7 +115,7 @@
   <!-- define Maven coordinates -->
   <property name="groupId" value="de.thetaphi" />
   <property name="artifactId" value="forbiddenapis" />
-  <property name="version" value="2.5-SNAPSHOT"/>
+  <property name="version" value="2.6-SNAPSHOT"/>
 
   <property name="description" value="Allows to parse Java byte code to find invocations of method/class/field signatures and fail build (Apache Ant, Apache Maven, Gradle, or CLI)"/>