Various fixes/improvements to HLE of 3DS services, mostly cleans up GSP call decoding

Update FlipFramebuffer - makes converting the raw framebuffer slightly faster

Less calculations + fix

- added a helper function for getting command buffer for services
- fixed bug where GSP DMA was incorrectly being done in DataSynchronizationBarrier (instead of gsp_TriggerCmdReqQueue)

- added stubbed HLE syscall functions for svc_GetResourceLimit and svc_GetResourceLimitCurrentValues

- handle RD in STREX/STREXB

- added stubs for GetResourceLimit and GetResourceLimitCurrentValues SVCs

- moved instruction decoding to coprocessor HLE module

- added stub for SVC CreateAddressArbiter
- added OutputDebugString SVC

- updated load launcher.dat function to use ARM11 format hack

Travis CI script

fix for issue Linux build #9, not sure why this is broken but its unused code I'm just getting rid of it

removed commented out line - this was for an unimplemented MRC call, no longer need to leave this here