升级sdk版本为2.7.0

Author: binarywang

pom.xml

@@ -14,7 +14,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
 
-        <weixin-java-mp.version>2.6.2.BETA</weixin-java-mp.version>
+        <weixin-java-mp.version>2.7.0</weixin-java-mp.version>
         <spring.version>4.3.2.RELEASE</spring.version>
         <spring-security.version>4.1.3.RELEASE</spring-security.version>
         <guava.version>19.0</guava.version>