add changelog

CHANGELOG.md

@@ -0,0 +1,33 @@
+1.0.0-rc1 / 2015-07-21
+========================
+
+Features:
+  * support output error info to php
+  * report filename/line/col of the compiling error
+  * support default slot
+  * support import fragment
+  * allow quantifiers (`*`, `?`) before element
+  * add d instruction
+  * add some compact syntax
+  * support pseudoclass
+  * reformat the generated php, align echos,
+    merge close tags to previous echo, append source location
+
+Bug Fixes:
+  * fix subtemplate (import instruction), allow multiple import
+  * fix column for attributes and fragment binding
+
+Refactor:
+  * rewrite transform phase
+  * rewrite core transformers
+  * rewrite Cache
+  * remove legacy php5b
+  * separate DocumentStripper transformer
+  * switch to ES2016, use gulp and babel
+  * add eslint and fix code
+
+Documents:
+  * add changelog
+  * add old changelog
+  * improve README
+  * update docs for future development