prepare release 1.0.0

Author: xabbuh

CHANGELOG.md

@@ -1,6 +1,16 @@
 CHANGELOG
 =========
 
+1.0.0
+-----
+
+This first stable release contains all the official conformance test fixtures
+provided by the maintainers of the xAPI spec as JSON encoded files and provides
+ways to access them through a PHP API.
+
+This release is equivalent to the 0.2 release series and is considered to
+be stable.
+
 0.2.3
 -----
 

composer.json

@@ -21,7 +21,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.2.x-dev"
+            "dev-master": "1.0.x-dev"
         }
     }
 }