Fill release notes

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>

RELEASE-NOTES.md

@@ -1 +1,37 @@
-### RESET
+### 2.2.6
+
+* Fix issue #112: fix circular validation detection; use a "validation stack" to
+  detect and spot those situations.
+* Depend on -core 1.2.5.
+* Update dependencies for libphonenumber, jsr305.
+
+### 2.2.5
+
+* Fix issue #102: detect, and fail on, circular validation.
+* Simplify ValidationProcessor.
+* Remove one-jar generation; the -lib jar now includes Main-Class.
+
+### 2.2.4
+
+* Add a "lib" target to the build.
+* Issue #99: append syntax errors when throwing an InvalidSchemaException.
+* Issue #100: attempt to load resources from the context classloader if loading
+  from JsonLoader.class fails.
+
+### 2.2.3
+
+* Re-release... 2.2.2 was compiled with JDK 8 :/
+
+### 2.2.2
+
+* Depend on -core 1.2.1 to work around Rhino bug with other packages sealing the
+  context.
+
+### 2.2.1
+
+* Main now uses current working directory as default URI namespace.
+
+### 2.2.0
+
+* New major release.
+