Updated copyright date for 2017, updated Gallery link

LICENSE.txt

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2014-2015 Omar Cornut and ImGui contributors
+Copyright (c) 2014-2017 Omar Cornut and ImGui contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

imgui.cpp

@@ -5,7 +5,7 @@
 // Newcomers, read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
 // Get latest version at https://github.com/ocornut/imgui
 // Releases change-log at https://github.com/ocornut/imgui/releases
-// Gallery (please post your screenshots/video there!): https://github.com/ocornut/imgui/issues/772
+// Gallery (please post your screenshots/video there!): https://github.com/ocornut/imgui/issues/1269
 // Developed by Omar Cornut and every direct or indirect contributors to the GitHub.
 // This library is free but I need your support to sustain development and maintenance.
 // If you work for a company, please consider financial support, e.g: https://www.patreon.com/imgui