LED_SMD: add LiteOn LTST-C295K series
dual independent surface mount leds.
Signed-off-by: Karl Palsson karlp@tweak.net.au
Datasheet: http://optoelectronics.liteon.com/upload/download/DS22-2009-0072/LTST-C295KGKRKT.PDF
Silk is 0.2mm clearance from pads, courtyard is 0.2mm. Package is "0603" not less, not more, so .15 seemed too tight, but 0.25 unnecessarily wide.