Build new beta.2 version w/o highlights + minification

Author: JayPanoz

README.md

@@ -14,7 +14,7 @@ Readium CSS provides styles for reflowable text:
 - user settings;
 - a set of baselines and recommendations for accessibility, overrides, and internationalization.
 
-**Readium CSS is currently in alpha** (version `1.0.0-beta.1`).
+**Readium CSS is currently in beta** (version `1.0.0-beta.2`).
 
 ## License