Updated version to 0.8.0.0 (#5)

Author: qreshi

build.gradle

@@ -31,7 +31,7 @@ plugins {
 group 'com.amazon.opendistroforelasticsearch.client'
 
 // keep version in sync with version in Driver source
-version '0.7.0.0'
+version '0.8.0.0'
 
 version = "${version}"
 

src/main/java/com/amazon/opendistroforelasticsearch/jdbc/internal/Version.java

@@ -19,7 +19,7 @@
 public enum Version {
 
     // keep this in sync with the gradle version
-    Current(0, 7, 0, 0);
+    Current(0, 8, 0, 0);
 
     private int major;
     private int minor;