sdmc_dev.c: do not redefine __system_argc/argv
Switch to -mfloat-abi=hard, bump version to 0.2.0
Add SMDH embedding to the template
Update example makefiles
Add getThreadLocalStorage(), major cleanup in svc.h/svc.s
Revert "Switch to -mfloat-abi=hard, bump version to 0.2.0"

This reverts commit 3f9e0a630bd72c58df546cb4c4c837c37d429659.
Revert "Update example makefiles"

This reverts commit 0f93112ecb43ae145c7e5e353e1e378de31c4a33.
bump version for release, add dist target
Added svcReleaseSemaphore and svcCreateSemaphore.

Tested.