Improved win32 build instructions. Added "--with-openssl-opt=no-asm" argument which is required since OpenSSL 1.0.2, as OpenSSL started to use assembler by default in 1.0.0 and then broke builds with MASM in OpenSSL 1.0.2 (ticket #1396). While here, added "--with-debug", added missing "--http-scgi-temp-path" and "--http-uwsgi-temp-path", updated OpenSSL to 1.0.2l, switched to slightly more readable one-argument-per-line style in configure example, added indentation to continuation lines, removed useless "--builddir=objs" argument ("objs" is the default), and removed useless "-f objs/Makefile" argument in nmake (nginx generates appropriate Makefile in the current directory).

DOCS =									\
		install							\
		windows							\
		events							\
		syntax							\
		control							\
		hash							\
		http/request_processing					\
		http/server_names					\
		http/configuring_https_servers				\
		debugging_log						\
		http/converting_rewrite_rules				\
		howto_build_on_win32					\
		contributing_changes					\
		beginners_guide						\
		configure						\

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