Merge pull request #321 from MaggieNgWu/release-2.8.0

update to release version

Author: MaggieNgWu

build-hsm.gradle

@@ -37,7 +37,7 @@ ext {
 // integrationTest.mustRunAfter test
 allprojects {
     group = 'org.fisco-bcos.java-sdk'
-    version = '2.8.0-hsm-SNAPSHOT'
+    version = '2.8.0-hsm'
     apply plugin: 'maven'
     apply plugin: 'maven-publish'
     apply plugin: 'idea'

build.gradle

@@ -37,7 +37,7 @@ ext {
 // integrationTest.mustRunAfter test
 allprojects {
     group = 'org.fisco-bcos.java-sdk'
-    version = '2.8.0-SNAPSHOT'
+    version = '2.8.0'
     apply plugin: 'maven'
     apply plugin: 'maven-publish'
     apply plugin: 'idea'