Updated CHANGELOG and minor adjustments for README.

CHANGELOG.md

@@ -11,6 +11,9 @@
 * [CORE-4701](http://tracker.firebirdsql.org/browse/CORE-4701): Index and blob garbage collection don't take into accout data in undo log  
   Contributor(s): Dimitry Sibiryakov
 
+* [CORE-4483](http://tracker.firebirdsql.org/browse/CORE-4483):Changed data not visible in WHEN-section if exception occured inside SP that has been called from this code
+  Contributor(s): Dimitry Sibiryakov
+
 * [CORE-4424](http://tracker.firebirdsql.org/browse/CORE-4424): Rollback to wrong savepoint if several exception handlers on the same level are executed  
   Contributor(s): Dimitry Sibiryakov
 
@@ -18,3 +21,14 @@
 
 * [CORE-5119](http://tracker.firebirdsql.org/browse/CORE-5119): Support autocommit mode in SET TRANSACTION statement  
   Contributor(s): Dmitry Yemanov
+
+* [CORE-2192](http://tracker.firebirdsql.org/browse/CORE-2192): Extend maximum database page size to 32KB
+  Contributor(s): Dmitry Yemanov
+
+## New features
+
+* [CORE-1815](http://tracker.firebirdsql.org/browse/CORE-1815): Ability to grant role to another role
+  Contributor(s): Roman Simakov
+
+* [CORE-751](http://tracker.firebirdsql.org/browse/CORE-751): Implicitly active roles (and their permissions summarized)
+  Contributor(s): Roman Simakov

README.md

@@ -8,7 +8,6 @@ The Firebird Project is a commercially independent project of C/C++ programmers,
 
 * http://www.firebirdsql.org/
 * http://www.firebirdsql.org/en/historical-reference/
-* http://www.firebirdsql.org/en/licensing/
 * http://www.firebirdsql.org/en/features/
 
 ## Documentation
@@ -28,6 +27,9 @@ The source code is released under variants of the Mozilla Public Licence 1.1 (MP
 The source code can be found at:  
 https://github.com/FirebirdSQL/firebird
 
+Build instructions are here:
+http://www.firebirdsql.org/en/building-the-code/
+
 Bugs and feature requests should be submitted at:  
 http://tracker.firebirdsql.org/