Changes to PieTTY

• 2015-09-16 05:01:26 UTC (SonicYang): Remove Alt message for images
• 2015-09-07 16:29:41 UTC (SonicYang): Fix images with end of line
• 2012-09-07 07:30:18 UTC (CrBoy): 新增 PieTTY keypad 失效問題解法