fix Github credentials

Author: JasonRivers

Jenkinsfile

@@ -22,7 +22,7 @@ node ('Docker') {
                                 println 'Failed to find string "Dyalog MiServer 3.0 Sample Site" cleaning up.'
 				sh "docker logs ${MiServer.id}"
                                 sh "git rev-parse --short HEAD > .git/commit-id"
-                                withCredentials([usernamePassword(credentialsId: '7ac3a2c6-484c-4879-ac85-2b0db71a7e58', passwordVariable: 'GHTOKEN', usernameVariable: 'API')]) {
+                                withCredentials([string(credentialsId: '7ac3a2c6-484c-4879-ac85-2b0db71a7e58', variable: 'GHTOKEN')]) {
                                         commit_id = readFile('.git/commit-id')
                                         sh "./githubComment.sh ${MiServer.id} ${commit_id}"
                                 }
@@ -65,7 +65,7 @@ node ('Docker') {
         }
 
 	stage ('Github Upload') {
-		withCredentials([usernamePassword(credentialsId: '7ac3a2c6-484c-4879-ac85-2b0db71a7e58', passwordVariable: 'GHTOKEN', usernameVariable: 'API')]) {
+		withCredentials([string(credentialsId: '7ac3a2c6-484c-4879-ac85-2b0db71a7e58', variable: 'GHTOKEN')]) {
 			sh './GH-Release.sh'
 		}