3.69rc4

[rob.manderson]

v3.69rc4 - September 19 2010
+ OSX: fixed media explorer scrolling drawing bug

v3.69rc3 - September 18 2010
+ Media item labels: option to show/hide text label based on item height
+ Media item buttons: option to show/hide buttons based on item height
+ Nudge/set: pass space bar through from nudge dialog to main window
+ OSX: fixed VST-shell project loading on PPC
+ OSX: avoid blinking cursor and tooltip when holding down a modifier key
+ Parameter modulation: fixed problem when using latent plugins
+ Project: safer writing of long lines to project file/undo memory
+ Themes: background stretching fixes