eric: diff changelog

diff -r 12274edd3050 -r 1c9c1c12111a changelog
--- a/changelog	Tue Jun 23 19:10:18 2015 +0200
+++ b/changelog	Tue Jun 23 19:43:21 2015 +0200
@@ -16,6 +16,7 @@
   -- added capability to configure the indentation guides colors
   -- added capability to ask multiple completion list and call-tip
      providers
+  -- added support for mouse click handlers to be provided by plug-ins
   -- Lexers
      --- added support for the new C++ lexer properties (as of
          QScintilla V. 2.9.0)