And use stdout for CC3200 demo because
(1) an apparent bug which causes output sent to stderr to be
printed v-e-r-y s-l-o-w-l-y (yes, it is really like that;
https://e2e.ti.com/support/development_tools/code_composer_studio/f/81/t/501881)
(2) in CCS it is printed in BLOOD RED, which is annoying
PUBLISHED_FROM=36a86744bc8ea193e99e98670dadc7f3ab6ed53e
It is also possible to control LED by sending a command:
{"t": 1, "v": 0/1/2}
0/1 = off/on, 2 = toggle
PUBLISHED_FROM=da176b70c4cd356c5d56eca58c2926619748d895
Moved filesystem-related code out of SJS and into common.
Made it possible to have one, both or no filesystems enabled.
FailFS is now SimpleLinkFS, SLFS (ahem).
Example just serves a "Hello, world!" index page for now.
PUBLISHED_FROM=0e98ee4b8d95782c10791522c42eae5a7ba314f9
