升级guava 至 22.0 (#3184)

* fix issue:#561 增加一个外部参数控制，允许位点不存在时自动重置到当前位点

* Add MariaDB GTID support

* remove client pom bad ns

* upgrade guava version to 22.0

client/pom.xml

-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" ">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" ">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>com.alibaba.otter</groupId>

pom.xml

@@ -225,7 +225,7 @@
             <dependency>
                 <groupId>com.google.guava</groupId>
                 <artifactId>guava</artifactId>
-                <version>18.0</version>
+                <version>22.0</version>
             </dependency>
             <dependency>
                 <groupId>com.googlecode.aviator</groupId>