update 2.7.0

Author: phoche

VideoOS/gradle.properties

@@ -15,4 +15,4 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME = 2.4.0
+VERSION_NAME = 2.7.0