Move info about counter cache below the section for belongsTo.
Merge pull request #1461 from ADmad/countercache

Move info about counter cache below the section for belongsTo.
Remove wacky invisible character.
Remove non utf8 character.
Update data-validation.rst

Attempt #2 to make the sentence clearer.
Update data-validation.rst

Correct a grammar error from "ways" to "way"
Update data-validation.rst
Merge pull request #1467 from lordg/patch-2

Update data-validation.rst
Clarify return $this
fix spaces
Merge pull request #1468 from dereuromark/master-return-this

Clarify return $this
Update advanced-installation.rst

fixes installation path.
Merge pull request #1469 from nojimage/patch-1

Update advanced-installation.rst
Fix grammar in data validation
[fr] follow #1461

Move info about counter cache below the section for belongsTo.
[fr] follow #1467

Update data-validation.rst
[fr] follow #1468

Clarify return $this
[fr] follow #1469

Update advanced-installation.rst
Fix syntax error in note
Update global-constants-and-functions.rst

Improved the wording and included that it will include the trailing slash for you. So if you are doing APP . WEBROOT_DIR you don't accidentally include an extra DS.