Re-enable devtools for samples

- Change plugin config not to exclude devtools.
- Add spring.h2.console.enabled=true to samples
  using embedded db.
- Fixes #623

build.gradle

@@ -480,6 +480,9 @@ configure(sampleProjects()) {
 		testCompile "org.hamcrest:hamcrest-library"
 		testCompile "junit:junit"
 	}
+	bootJar {
+		excludeDevtools = false
+	}
 	build.dependsOn bootJar
 }
 

spring-statemachine-samples/datajpa/src/main/resources/application.yml

@@ -4,3 +4,7 @@ logging:
 security:
   basic:
     enabled: false
+spring:
+  h2:
+    console:
+      enabled: true

spring-statemachine-samples/datajpamultipersist/src/main/resources/application.yml

@@ -5,3 +5,7 @@ logging:
 security:
   basic:
     enabled: false
+spring:
+  h2:
+    console:
+      enabled: true

spring-statemachine-samples/datapersist/src/main/resources/application.yml

@@ -4,6 +4,9 @@ logging:
 spring:
   profiles:
     active: jpa
+  h2:
+    console:
+      enabled: true
 security:
   basic:
     enabled: false