Add travis-ci file.
Add travis-ci file.

jordandcarter/heatshrink,silentbicycle/heatshrink,senyor/heatshrink,senyor/heatshrink,atomicobject/heatshrink,silentbicycle/heatshrink,jordandcarter/heatshrink,atomicobject/heatshrink,unixdj/heatshrink-c