releasing v2.1.8 (#232)

Author: prklm10

pom.xml

@@ -5,7 +5,7 @@
 
   <groupId>io.percy</groupId>
   <artifactId>percy-appium-app</artifactId>
-  <version>2.1.7</version>
+  <version>2.1.8</version>
   <packaging>jar</packaging>
 
   <name>${project.groupId}:${project.artifactId}</name>

src/main/java/io/percy/appium/Environment.java

@@ -4,7 +4,7 @@
 
 public class Environment {
     private AppiumDriver driver;
-    public static final String SDK_VERSION = "2.1.6";
+    public static final String SDK_VERSION = "2.1.8";
     private static final String SDK_NAME = "percy-appium-app";
     private static String percyBuildID;
     private static String percyBuildUrl;