PUBLISHED_FROM=971951e1eeb82078b986cd6e25e52cfc1ccef286

Also make CC3200 use newer ARM compiler, generates slightly smaller code.

PUBLISHED_FROM=a0be49d7ea864a95886f7110887a59f6f11802d7

This adds compile-time checks for format strings.

Fix issues exposed by this.

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Configured via `debug.std{out,err}_topic`

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This reverts commit 1a17e17c462bdd4e1d26d8742f8b7087273e04c2.

PUBLISHED_FROM=80028de308c9a021955d1425d2bfee8feb85f193

URLs like mongoose-iot.com are left intact

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`MG_ENABLE_...` macros are not yet renamed because it involves some
logic change: e.g.  instead of defining `MG_ENABLE_MQTT`, one should
define `MIOT_ENABLE_MQTT`, which should imply `MG_ENABLE_MQTT` as well.

Macro refactoring is going to be done in another PR.

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Update compiler version to 5.2.8

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PUBLISHED_FROM=9fd0cebfa8df53b5d9574a8d013305ddda5e7a18

"#if FOO" still works with simple -DFOO, but gives more flexibility.
Specifically, if user expressed no preference (FOO is not defined),
we can apply reasonable defaults (this is the legitimate use of ifdef).

In short, from now on, please use

 #if MG_ENABLE_FOO

instead of

 #ifdef MG_ENABLE_FOO

Since we are all used to #ifdef, this change also adds a precommit check
to police this. Specifically, in *.h and *.c files that are Copyright Cesanta,
"ifdef" and "if defined()" are not allowed to be used with macros that contain
ENABLE or DISABLE, unless the like also contains "ifdef-ok".

Hence, if you are sure you want to use ifdef, use this:

 #ifdef MG_ENABLE_FOO /* ifdef-ok */

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PUBLISHED_FROM=450e5c045b6515fba0e0614c6d76a58712c72160

On my way, fixed a couple of cases where we had `()` in the header, and
non-empty argument list in the source file.

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PUBLISHED_FROM=b2454104b99100f23db0777f874ab8a33727acca

In CCS example projects

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PUBLISHED_FROM=89b978c02be2f10eb930ff13673d45249fd67763

/sys/mcuimg.bin is just another file on SLFS, no reason to give it
special treatment. Preserve backward compatibility with old bundles:
translate sys_mcuimg.bin -> /sys/mcuimg.bin

PUBLISHED_FROM=be89a3d9785046f09279fef9e2bb6604eeaa576e

SL requires cert and key to be separate files in DER format.

Date verification is disabled for now.

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PUBLISHED_FROM=cec68bab53fc81b4085b81fba0c52e0c42b09f0f

 * Add TI compiler
 * Remove cc3200prog, we don't use it
 * Update to Xenial (new Ubuntu stable release).
   It has ARM toolchain in the repos too, which is nice (no more PPA).

PUBLISHED_FROM=57d6650b438c5665023346abefbc953263e3f87b

It's barely used in our code and conflicts with ont in SimpleLink SDK

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PUBLISHED_FROM=7f9ce495d5de71859ad71f2b44db37fa66736835

Fix WS connect address
Only update graphs when connected

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In SDK 1.2.0 TI decided to stop resetting NWP before sl_Start, which in
practice means that sl_start will hang on subsequent runs after the first.

See this post for details and suggested solution:

https://e2e.ti.com/support/wireless_connectivity/simplelink_wifi_cc31xx_cc32xx/f/968/p/499123/1806610#1806610

However, since they don't provide OS_debug variant of simplelink.a and
adding another project dependency will complicate our demo even more,
we just take the required bit of code.

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