Updated changelog and updated Corda version dependency from 4.6 to 4.8 (LTS).

Author: MrMatthewLayton

build.gradle

@@ -5,15 +5,15 @@ buildscript {
 
         corda_artifactory_url = 'https://software.r3.com/artifactory'
         corda_group = 'net.corda'
-        corda_release_version = '4.6'
+        corda_release_version = '4.8'
 
         corda_gradle_plugin_group = 'net.corda.plugins'
         corda_gradle_plugin_version = '5.0.4'
 
         junit_group = 'org.junit.jupiter'
         junit_version = '5.3.1'
 
-        cordapp_platform_version = 8
+        cordapp_platform_version = 10
         cordapp_contract_name = 'ONIXLabs Corda Core Contract'
         cordapp_workflow_name = 'ONIXLabs Corda Core Workflow'
         cordapp_vendor_name = 'ONIXLabs'