chore: bump angular to 1.5.5

Closes #5920

Author: wesleycho

Diff for: Gruntfile.js

@@ -9,7 +9,7 @@ module.exports = function(grunt) {
   grunt.util.linefeed = '\n';
 
   grunt.initConfig({
-    ngversion: '1.5.3',
+    ngversion: '1.5.5',
     bsversion: '3.3.6',
     modules: [],//to be filled in by build task
     pkg: grunt.file.readJSON('package.json'),

Diff for: package.json

@@ -22,9 +22,9 @@
     "url": "https://github.com/angular-ui/bootstrap.git"
   },
   "devDependencies": {
-    "angular": "1.5.3",
-    "angular-mocks": "1.5.3",
-    "angular-sanitize": "1.5.3",
+    "angular": "1.5.5",
+    "angular-mocks": "1.5.5",
+    "angular-sanitize": "1.5.5",
     "grunt": "^0.4.5",
     "grunt-contrib-concat": "^1.0.0",
     "grunt-contrib-copy": "^1.0.0",