[en] Cake application -> CakePHP application
Merge pull request #1779 from blackpuppy/zh

[en] corrent origianl text: Cake application -> CakePHP application
[zh_CN] make corrections/improvements and wrap lines at column 80 in /zh/contributing/*.rst
[zh_CN] small improvement in /zh/installation/url-rewriting.rst
[zh_CN] done /zh/installation/advanced-installation.rst
Merge pull request #1782 from blackpuppy/zh

[zh_CN] done /zh/installation/advanced-installation.rst
[3.0] [pt] Update installation.rst

Full translation.
Merge pull request #1784 from andtxr/patch-2

[3.0] [pt] Update installation.rst
Merge pull request #2 from cakephp/master

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