fr translation of Number class to follow #1700
Merge pull request #1707 from antograssiot/3.0

3.0 Number class update
fix typo
Update for router extension methods.
Fix typos.
Change "deprecated" to "removed".
Merge pull request #1710 from cakephp/3.0-router-extensions

Update for router extension methods.
Merge pull request #1709 from antograssiot/3.0-fr-number-class

3.0 fr number class
Update part-two.rst

It  should be using 'NotFoundException' instead of 'ForbiddenException'
Merge pull request #1715 from leungpeng/patch-2

Update part-two.rst
Removing some innacurate docs about caching query results

Also moving the query caching section to the query builder document
Repeating the same change for es and fr
Merge pull request #1716 from cakephp/3.0-clarify-query-caching

3.0 clarify query caching
fix typos and build warning

- correct some double backslashes
- correct wrong indentation
- correct missing backtick