Prepare for dartdoc 1.0.0 (#2710)

* changelog/pubspec

* rebuild and clean up changelog

* add reference to 2697 before I forget

* Update changelog to reflect latest head changes

* Version 1.0?
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e46a4d..cc428ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,25 @@
+## 1.0.0
+* BREAKING CHANGE:  Enable the enhanced lookups by default.
+  Some formerly invalid doc references will no longer be
+  ignored and now generate warnings, and some ambiguous
+  references may change where they point to.  As a fallback,
+  allow a `--no-enhanced-reference-lookup` but this will
+  be removed soon so please file bugs if you need to use this.
+  (#2705)
+* Use the Mustachio AOT compiler for default templates. (#2677)
+* Unhide the `--format` option so users can discover
+  the markdown support (#2703)
+* Internal refactors of tool/dartdoc code. (#2686, 2669)
+* Many changes to improve compliance on the new lookup code.
+  (#2709, #2707, #2706, #2703, #2702, #2700, #2691, #2687, #2684,
+  #2682, #2673, #2672, #2671)
+* Update favicon to match dart.dev. (#2681)
+* Runtime and AOT renderer fixes for Mustachio.  (#2697,
+  #2674, #2676, #2670, #2697)
+* Fix several problems with head analyzer.  (#2680, #2687)
+* The favicon has been updated to match dart.dev. (#2681)
+* A variety of internal refactoring changes.
+
 ## 0.45.0
 * BREAKING CHANGE:  Custom templates using some obscure
   getters of modelType may no longer function (returnElement
diff --git a/dartdoc_options.yaml b/dartdoc_options.yaml
index 53b677c..ad69099 100644
--- a/dartdoc_options.yaml
+++ b/dartdoc_options.yaml
@@ -1,4 +1,4 @@
 dartdoc:
   linkToSource:
     root: '.'
-    uriTemplate: 'https://github.com/dart-lang/dartdoc/blob/v0.45.0/%f%#L%l%'
+    uriTemplate: 'https://github.com/dart-lang/dartdoc/blob/v1.0.0/%f%#L%l%'
diff --git a/lib/src/version.dart b/lib/src/version.dart
index a300944..526cd53 100644
--- a/lib/src/version.dart
+++ b/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '0.45.0';
+const packageVersion = '1.0.0';
diff --git a/pubspec.yaml b/pubspec.yaml
index 4dda8ae..011dc87 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dartdoc
 # Run `grind build` after updating.
-version: 0.45.0
+version: 1.0.0
 description: A non-interactive HTML documentation generator for Dart source code.
 homepage: https://github.com/dart-lang/dartdoc
 environment: