Sort .gitignore

.gitignore

@@ -1,24 +1,24 @@
 *.pyc
 /bin/plovr*.jar
-/build/gh-pages
 /build/check-requires-timestamp
+/build/gh-pages
 /build/glsl-unit
 /build/jsdoc
 /build/jsdoc-*-timestamp
 /build/lint-timestamp
-/build/ol.css
-/build/ol.js
 /build/ol-all.js
 /build/ol-simple.js
 /build/ol-whitespace.js
-/build/src
+/build/ol.css
+/build/ol.js
 /build/phantomjs-*-windows
 /build/phantomjs-*-windows.zip
-/build/proj4js-*.zip
 /build/proj4js
-/examples/*.json
+/build/proj4js-*.zip
+/build/src
 /examples/*.combined.js
 /examples/*.html.png
+/examples/*.json
 /examples/example-list.js
 /examples/example-list.xml
 /test/requireall.js