Merge pull request #2151 from israelroldan/patch-1

Update ExtJs.gitignore

ExtJs.gitignore

@@ -1,4 +1,12 @@
 .architect
+bootstrap.css
+bootstrap.js
 bootstrap.json
+bootstrap.jsonp
 build/
+classic.json
+classic.jsonp
 ext/
+modern.json
+modern.jsonp
+resources/sass/.sass-cache/