Update version to 2.0.8

Author: Dan Richelson

build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 allprojects {
     group = 'com.launchdarkly'
-    version = "2.0.7-SNAPSHOT"
+    version = "2.0.8"
     sourceCompatibility = 1.7
     targetCompatibility = 1.7
 }