fixed typos and did minor polish

Author: d3rp3tt3

pipeline-template-examples/README.md

@@ -1,2 +1,2 @@
 # CloudBees Core Pipeline Templates Plugin
-This repository includes a sample template catalog and demos of how to use parameters in pipeline templates.
+This repository includes a sample Pipeline Template Catalog. The demos folder includes examples of how to customize a template.yaml file.

pipeline-template-examples/templates/simple-java-maven-app/Jenkinsfile

@@ -1,9 +1,5 @@
 pipeline {
-    agent {
-        docker {
-            image 'maven:3-alpine' 
-            args '-v /root/.m2:/root/.m2' 
-        }
+    agent any
     }
     stages {
         stage('Build') { 

pipeline-template-examples/templates/simple-java-maven-app/template.yaml

@@ -1,8 +1,8 @@
 version: 1
 type: pipeline-template
 
-name: Maven App Pipeline Job
-description: Run browser compat tests in the dev environment.
+name: Java Maven App Pipeline Job
+description: Simple Java App With Maven
 parameters:
   - name: emailRecipient
     type: string