Add scipts to monitor nginx ssl session ticket keys and session ticket r...

[lziest]

...esumptions.

[lziest]

change code style and file naming style. Make them consistent with existing ones.

[agentzh]

@lziest Also, will you add some corresponding docs to the file README.markdown?

[lziest]

Add docs, squashed minor changes and rebased.

[agentzh]

Please chmod your samples/*.sxx files to executable.

[agentzh]

@lziest Please add support for the --arg time=SECONDS option, otherwise it's good to merge :) Thanks!

[lziest]

I would like to squash the commits into one once it's ok to merge