refactor: use a custom replacement build step instead of broccoli-replace

Closes angular#2050

Author: matsko

npm-shrinkwrap.clean.json

@@ -1374,87 +1374,6 @@
         }
       }
     },
-    "broccoli-replace": {
-      "version": "0.2.0",
-      "resolved": "git://github.com/alexeagle/broccoli-replace.git#cd39a543b17b40db765a07762f099fbc85518290",
-      "dependencies": {
-        "minimatch": {
-          "version": "1.0.0",
-          "dependencies": {
-            "lru-cache": {
-              "version": "2.6.2"
-            },
-            "sigmund": {
-              "version": "1.0.0"
-            }
-          }
-        },
-        "applause": {
-          "version": "0.3.4",
-          "dependencies": {
-            "cson": {
-              "version": "1.6.2",
-              "dependencies": {
-                "ambi": {
-                  "version": "2.2.0",
-                  "dependencies": {
-                    "typechecker": {
-                      "version": "2.0.8"
-                    }
-                  }
-                },
-                "coffee-script": {
-                  "version": "1.8.0",
-                  "dependencies": {
-                    "mkdirp": {
-                      "version": "0.3.5"
-                    }
-                  }
-                },
-                "extract-opts": {
-                  "version": "2.2.0",
-                  "dependencies": {
-                    "typechecker": {
-                      "version": "2.0.8"
-                    }
-                  }
-                },
-                "js2coffee": {
-                  "version": "0.3.5",
-                  "dependencies": {
-                    "coffee-script": {
-                      "version": "1.7.1",
-                      "dependencies": {
-                        "mkdirp": {
-                          "version": "0.3.5"
-                        }
-                      }
-                    },
-                    "file": {
-                      "version": "0.2.2"
-                    },
-                    "nopt": {
-                      "version": "3.0.1",
-                      "dependencies": {
-                        "abbrev": {
-                          "version": "1.0.5"
-                        }
-                      }
-                    },
-                    "underscore": {
-                      "version": "1.6.0"
-                    }
-                  }
-                },
-                "requirefresh": {
-                  "version": "1.1.2"
-                }
-              }
-            }
-          }
-        }
-      }
-    },
     "broccoli-slow-trees": {
       "version": "1.1.0"
     },