update(ChangeLog)

ChangeLog

@@ -1,3 +1,20 @@
+* Thu Jun 16 2016 Ding-Yi Chen <dchen at redhat.com> - 1.5.1
+- Enhancement:
+- Fix:
+  + GH issue #73: Ctrl, Alt, Ins causes the pre-edit duplicate commit
+  + GH issue #74: Failed to clean the PreEdit when changing input focus
+  + GH issue #79: Failed to input space when "space-as-selection"
+  + GH issue #87 Modify dropdown menu for selecting keys 
+  + GH issue #88 Numpad should be able to select
+  + RHBZ #1337185 - Cannot add phrases with Ctrl
+    A.k.a GH issue #63
+    Thank for contribution from hiunnhue 
+- Acknowledge:
+  + Obata Akio contributed pull request 71, 72, 73
+  + hiunnhue contributed pull request 75, 76, 77, 78, 80, 81, 82, 83, 84, 86, 
+    87, 90, 91, 92, 94
+  + hiunnhue fixed issue 73, 74, 79, 87, 88, 90, 91, 92, 94
+
 * Thu May 05 2016 Ding-Yi Chen <dchen at redhat.com> - 1.5.0
 - Enhancement:
   * New option: "Clean pre-edit buffer when focus out"
@@ -338,4 +355,4 @@ Fix the errors which Funda Wang as pointing out:
 
 * Fri Feb 20 2009 - Ding-Yi Chen <dchen at redhat.com>  - 1.0.0.20090220
 - This is a barely working version for with IBus C.
-- The build system is converted from autotool to CMake.
+- The build system is converted from autotool to CMake.