minor: formatting for appveyor

appveyor.yml

@@ -1,18 +1,14 @@
+os: Windows Server 2012
 version: '{build}'
 skip_tags: true
 clone_depth: 10
-init:
-  - git config --global core.autocrlf true
-environment:
-  matrix:
-    #- JAVA_HOME: C:\Program Files\Java\jdk1.7.0
-    - JAVA_HOME: C:\Program Files\Java\jdk1.8.0
 branches:
   only:
     - master
   except:
     - gh-pages
-os: Windows Server 2012
+init:
+  - git config --global core.autocrlf true
 install:
   - ps: |
       Add-Type -AssemblyName System.IO.Compression.FileSystem
@@ -27,6 +23,14 @@ install:
   - cmd: git config --global core.autocrlf
   - cmd: mvn --version
   - cmd: java -version
+cache:
+  - C:\maven\
+  - C:\Users\appveyor\.m2
+
+environment:
+  matrix:
+    #- JAVA_HOME: C:\Program Files\Java\jdk1.7.0
+    - JAVA_HOME: C:\Program Files\Java\jdk1.8.0
 build_script: >
   mvn clean site 
   -Dlinkcheck.skip=true -Dmaven.javadoc.skip=true 
@@ -34,6 +38,3 @@ build_script: >
   -Dpmd.skip=true -Dfindbugs.skip=true -Dcheckstyle.ant.skip=true
 test_script:
   - mvn clean verify
-cache:
-  - C:\maven\
-  - C:\Users\appveyor\.m2