Clarify usage of single quotes, not simple

' is more commonly known as a single quote.

Was pointed out in #792 by @harupong
Merge pull request #799 from randomecho/en-simple-single-quote

Clarify usage of single quotes, not simple
Synchronize command example with previous one

The file "README" is created/added by previous examples of the chapter.
Therefore, it's best for reader to use it as source for "git mv"
Update 01-chapter1.markdown

he traduit un parell de paragrafs.
dema més
Merge pull request #801 from JordiPujol/patch-1

Update 01-chapter1.markdown
Merge pull request #800 from nivalis/master

[ch2.2 / moving files] Synchronize command example with previous one
Add numeric color values to 07-customizing-git.

en/07-customizing-git/01-chapter7.markdown
	-Explain that, when colorizing `git` output, users can specify arbitrary
	numeric color values instead of color names.
Smooth out intro from using too many begins
Merge pull request #803 from randomecho/en-chap-1-intro

Smooth out intro from using too many begins
Merge pull request #802 from sevko/master

Add numeric color values to 07-customizing-git.
[it] Fixing as per PR#799
[it] Introducing changes as per PR#800

Riusando negli esempi il file "README" creato precedentemente
[it] updating msygit URL

to http://msysgit.github.io/
[it] aggiunge l'uso dei valori numerici per i colori

vedi anche PR n.872
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