double buffering of preview images, reduce default quality of preview image to 112x96 with nearest neighbour interpolation,
speed up VIMS to get preview image, optimized fx cartonize,pencilscketch,magicoverlays,lumakey and flar,
merged with matthijs' glade file, added matthijs' icons, added matthijs' themes, added samplebank prev and next button,
added samplebank spin button, added multivims panel, dont jump between console and sample/stream view on status change,
added callback to hide/show console information, fixed a few gtk criticals, fixed some other bugs, bumped version.
git-svn-id: svn://code.dyne.org/veejay/trunk@562 eb8d1916-c9e9-0310-b8de-cf0c9472ead5