Chapter 9 http -> https.

[HonkingGoose]

@ben My observations while fixing chapter 9:

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client-bzr.asc:
Bazaar still uses http:// for their website...

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client-hg.asc:
Mercurial still links to the http selenic repo when cloning, this is even mentioned in their own wiki, so this can stay.

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client-p4.asc:
I don't know anything about perforce, so I'm not touching things here.
https://www.perforce.com/products doesn't list Git Fusion anymore, is this still relevant? Git Fusion is not EOL, as can be seen here: https://www.perforce.com/maintenance-support#eol_schedule

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client-svn.asc:
I don't know anything about Subversion, so I'm not touching things here.

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client-tfs.asc:
Changed Visual Studio link.

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import-svn.asc:
I don't know anything about Subversion, so I'm not touching things here.

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[ben]

perforce.com/products doesn't list Git Fusion anymore, is this still relevant?

IIRC it's not a product, it's a feature of the core Perforce product. https://www.perforce.com/manuals/git-fusion/

[HonkingGoose]

Ah okay, I don't use Perforce, so I was not aware that Git Fusion was included in the core Perforce product. 😄

[ben]

Neither do I. 😄 I had to learn a lot to write this chapter.