Update to Boot 1.1.5

This commit updates the recommended version to Boot 1.1.5 and
provides an early access to boot 1.2.0 current build.

.gitignore

@@ -6,6 +6,8 @@
 .classpath
 .project
 .settings
+.idea
+*.iml
 bin
 build
 target

application.yml

@@ -4,7 +4,7 @@ info:
     version: 0.2.1
 # remember to update static/install.sh as well:
   spring-boot:
-    version: 1.1.4.RELEASE
+    version: 1.1.5.RELEASE
 
 projects:
   styles:
@@ -95,9 +95,9 @@ projects:
       value: java
       selected: true
   bootVersions:
-    - value: 1.1.5.BUILD-SNAPSHOT
+    - value: 1.2.0.BUILD-SNAPSHOT
       selected: false
-    - value: 1.1.4.RELEASE
+    - value: 1.1.5.RELEASE
       selected: true
     - value: 1.0.2.RELEASE
       selected: false