* 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).

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cesanta/mongoose#573

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cesanta/mongoose#653

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We wanted to avoid `to` since it implies some kind of conversion, but
these functions merely return underlying C entity.

Public API changes:

- `v7_to_number()` -> `v7_get_double()`
- `v7_to_boolean()` -> `v7_get_bool()`
- `v7_to_cstring()` -> `v7_get_cstring()`
- `v7_get_string_data()` -> `v7_get_string()`
- `v7_to_foreign()` -> `v7_get_ptr()`

Private API changes:

- `v7_to_pointer()` -> `get_ptr()`
- `v7_to_generic_object()` -> `get_generic_object_struct()`
- `v7_to_object()` -> `get_object_struct()`
- `to_js_function()` -> `get_js_function_struct()`
- `to_cfunction()` -> `get_cfunction_ptr()`

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It would be probably good idea to also remove tools/docgen.py and
asciidoc.mk, but asciidoc.mk is still mentioned under `cloud/doc`, which
may contain some useful info which we'll need at least to review before
removing.

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Until I read the doc and find how to limit the retention,
otherwise it just eats all my ram and cpu and things start to fall
apart.

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Closes cesanta/mongoose#659

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Code size: 167144 vs 199440

More changes to come (console support, warnings cleanup).

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

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When getting a EOF from remote, do not close immediately, drain the send
buffer.

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Closes cesanta/mongoose#649

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h/t @kzyapkov, cesanta/mongoose#649

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A number of people asked for a WebSocket client example,
websocket_chat_client is one.

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h/t @danielinux, cesanta/mongoose#652

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It used to link to the SJS forum category, but should point to Mongoose
category instead.

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HTTP/1.1 connections are keep-alive by default,
HTTP/1.0 are KA only if explicitly requested.

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Server header and directory index footer

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We used to declare these functions twice: in plaform_windows.h
and cs_dirent.h. Removed decl from platform_windows.h and moved
cs_dirent.h to be privately included by mongoose.c

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h/t @f00bard

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Fix WS connect address
Only update graphs when connected

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In particular, there may be additional records which should not be copied

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