test echo versa + uri

Signed-off-by: Andy Green <andy.green@linaro.org>
Subject: [PATCH] serve_http_file: add feature test macro for API change
 introduced in 917f43
test echo unbreak no server

Signed-off-by: Andy Green <andy.green@linaro.org>
test ping correct type for fprintf

Reported-by: Michael Habeler <mail17@mah.priv.at>
Signed-off-by: Andy Green <andy.green@linaro.org>
Subject: [PATCH] Add custom allocator support using the realloc() interface

Signed-off-by: Alejandro Mery <amery@geeks.cl>
Subject: [PATCH] Use custom allocator

Signed-off-by: Alejandro Mery <amery@geeks.cl>
Subject: [PATCH] Introduce lws_free2() helper to free and re-NULL pointers

Signed-off-by: Alejandro Mery <amery@geeks.cl>
https://github.com/warmcat/libwebsockets/commit/6ff28248aadc12b971d13b212587e63b49a4653f#commitcomment-8861797

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more robust subprotocol selection handling with test
Merge remote-tracking branch 'upstream/master'