iPhone上FC模拟器NES.app v1.6.2 发布

1.6.0 	[nervegas] Cleaned up compiler warnings
                   Fixed sound envelope decay (Punchout, Pinball, Kung Fu)
                   Fixed volume control restoring music and sounds in many games
                   More tweaks to Palette A
                   Added "CPU Clock" advanced option, see README
                   More work on auto frame-skip
                   Fixed triangle sound channel
                   Added bass boost option
1.6.1	[nervegas] Jacked up volume
                   Compiled with debug on; no debug seems to mess up colors
1.6.2	[nervegas] Addressed crashing issues on orientation change