Add chargen.js that generates characters for discard.js
Merge pull request #8 from bassosimone/patch-7

Add chargen.js that generates characters for discard.js
tcp.js: correct typo
README.md: more detailed node.js plan
Merge pull request #9 from bassosimone/patch-1

More detailed node.js plan and correct typo
README.md: reorganize the git section

1) group entries in two sets: github and non-github

2) for each suggested reading provide a brief explanation
README.md: correct nit
README.md: fix another nit
README.md: move REST & CRUD to Angular.js section

Antonio asked me to anticipate REST & CRUD (and I
did that on Monday); for correctness, move these
two concepts on the Angular.js section.
http.js: add FIXME comment

As discussed in the lecture of today, it is wrong
to print the listening message unconditionally.

Rather, we should only print such message in response
to the listening event (see tcp.js)
child.js: describe the purpose of this file
cluster.js: cosmetic changes
cluster.js: more precise comment

While there, make it aesthetically pleasing (according
to my personal view, of course).
cluster.js: tweak previous, even better comment
execute.js: comment on need to check stats type
execute.js: document error handling strategy
execute.js: add obvious comment on exec safety
http_fs.js: add warning re how we handle url path
Merge pull request #10 from bassosimone/patch-1

A bunch of related README.md changes
Merge pull request #11 from bassosimone/patch-2

nodejs: add a number of explanatory and warning comments