Remove use of deprecated "title_for_layout" view var.
Merge pull request #138 from cakephp/layout-title

Remove use of deprecated "title_for_layout" view var.
Relax PHP version requirement to 5.4.16.

Refs #4611
Merge pull request #140 from dgsar/patch-1

Relax PHP version requirement to 5.4.16.
Reflect the new requirement.
Merge pull request #141 from dgsar/master

Reflect the new requirement.
Merge branch 'master' of https://github.com/cakephp/app