* mbedtls-2.16:
test: Always use `make clean` by itself
list-symbols.sh: if the build fails, print the build transcript
Document "check-names.sh -v"
all.sh: invoke check-names.sh in print-trace-on-exit mode
Print a command trace if the check-names.sh exits unexpectedly
Only use submodule if present
Update change log
Reword ssl_conf_max_frag_len documentation for clarity
Ignore more generated files: seedfile, apidoc
Improve .gitignore grouping and documentation
Generate tags for Vi, for Emacs and with Global
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