Bump version to 0.4.5, add CHANGELOG entry. Closes GH-152.

CHANGELOG

@@ -1,3 +1,12 @@
+v0.4.5:
+  date: 2013-07-12
+  changes:
+    - Added target specific event emissions.
+    - Added atBegin option to run tasks when watcher starts.
+    - Changed nospawn option to spawn.
+    - Removed watching **/*.js as it would watch node_modules.
+    - Moved libs/vars into top scope to prevent re-init.
+    - Bumped Gaze version to 0.4.
 v0.4.4:
   date: 2013-05-27
   changes:

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grunt-contrib-watch",
   "description": "Run predefined tasks whenever watched file patterns are added, changed or deleted.",
-  "version": "0.4.4",
+  "version": "0.4.5",
   "homepage": "https://github.com/gruntjs/grunt-contrib-watch",
   "author": {
     "name": "Grunt Team",