Fix title casing across the documentation
Fix configuration typo in timestamp
Merge pull request #1026 from bcrowe/3.0-titles

3.0 - Fix title casing across the documentation
Fixing branch config name which points 'Improve this doc' links to 3.0 branch on Github.
Finish up title casing updates
Title edits from proofreading
Merge pull request #1027 from bcrowe/3.0-titles

3.0 - 	Finish up title casing updates
Expunge Repository from the docs.

As per the discussion in cakephp/cakephp#2669 this removes the term
Repository from around the ORM docs.
Update documentation index
Update welcome introduction to include Improve button, fix 'Getting started' casing
Correct typo in welcome introduction
Merge pull request #1028 from cakephp/3.0-no-repo

Expunge Repository from the docs.
Added info about Template folder change.
Merge pull request #1029 from ADmad/templates

Added info about Template folder change.
The countBy example was using the groupBy method
Merge pull request #1031 from mrcodex/patch-1

The countBy example was using the groupBy method
In the groupBy example was missing a comma

The array in the groupBy example was missing a comma, causing a sintax error
Merge pull request #1032 from mrcodex/patch-4

In the groupBy example was missing a comma
Add docs for behaviors to the ORM migration guide.
Proofread (poorly).