add SoundEffect

stepmania/Themes/default/Languages/en.ini

@@ -98,6 +98,8 @@ MenuLeft=MenuLeft
 MenuRight=MenuRight
 MenuUp=MenuUp
 Operator=Operator
+EffectUp=EffectUp
+EffectDown=EffectDown
 Right=Right
 Select=Select
 Start=Start
@@ -370,6 +372,7 @@ ShowStats=Display Performance Statistics in the upper right corner of the screen
 SmoothLines=Toggle whether the Groove Radar is drawn with antialiased lines.
 Center1Player=Turn this option &oq;ON&cq; to center the display for 1 player styles.
 SongsPerPlay=The number of songs a player can play in Regular mode.
+SoundEffect=
 Sound Options=Change volume and resampling options.
 SoundResampleQuality=Advanced: Select the resampling quality to use.
 SoundVolume=SoundVolume
@@ -498,6 +501,8 @@ Dynamic Random=Dynamic Random
 Echo=Echo
 End of Song=End of Song
 FailAtEnd=Fail at end
+EffectSpeed=Speed
+EffectPitch=Pitch
 Event=Event Mode
 Exit=Exit
 Expand=Expand
@@ -840,6 +845,7 @@ ShowSelectGroup=Song\nGroup
 ShowSongOptions=Show Song\nOptions
 ShowStats=Show\nStats
 SmoothLines=SmoothLines
+SoundEffect=Sound\nEffect
 Stepmania Credits=Stepmania Credits
 Center1Player=Center\n1 Player
 Song=Song