Adjusted link for my docs-patch

https://github.com/cakephp/docs/pull/484

Moved url rewriting section
Brought home.ctp in skel folder in sync
== to === and != to !== where applicable
Fix type casting of string scopes to array in log engines
Removing redudant code.
Filelog with scopes needs the file name to be specified so the first `if` covers scopes too.
trivial optimization
Create rename field statements in postgres

Refs #3622
Use simpler asserts.

Refs #3622
Merge branch 'nojimage-db-postgres-rename-field'

Fixes #3622
Merge pull request #1127 from dereuromark/master-strict-comparison

Strict comparison for strings where applicable
Removed superfluous brackets in regex

 The outer brackets are just another grouping
Switch from instanceof to method_exists.

This change lets custom loggers implement scopes without inheriting from
BaseLog.
Merge pull request #1135 from ravage84/my-regex

Removed superfluous brackets in regex
Prevent response object being set as response body
Merge pull request #1119 from ravage84/patch-2

Adjusted link for my docs-patch
Attempt to fix failures in travisci.

Network tests have recently started failing, make those skip conditions
instead. Convert SocketExceptions in Xml::build() into XmlExceptions.
This is the documented behavior so we should try to honour that.
Make skips more permissive.

Hopefully this fixes issues on travisci.
Fix incorrect method names.
Attempt to get more tests passing on travis ci.
Postgres datasource support regular expression operators.