Bump extension version to 1.0.0beta2

Author: jmikola

php_phongo.h

@@ -31,7 +31,7 @@ extern zend_module_entry mongodb_module_entry;
 
 /* FIXME: Its annoying to bump version. Move into phongo_version.h.in */
 #define MONGODB_VERSION_S "1.0.0beta2"
-#define MONGODB_STABILITY_S "devel"
+#define MONGODB_STABILITY_S "beta"
 #define MONGODB_VERSION   MONGODB_VERSION_S
 
 #ifdef PHP_WIN32