Added missing 'Session'-Compomnent in bake

If a Controller was baked interactively and one want to use Session flash messages, the required 'Session'-Component wasn't added to the $components-Array
removed indentation
fixed coding standard errors
Clarified ACL node lookup failed error.

Original error was ambiguous in stating whether the ARO node lookup failed or the ACO node lookup failed.
Don't return `true` from view classes' render() method.

It cause's Controller:render() to set the response body as `true`.

Refs #2780
Merge pull request #2785 from ADmad/2.4-view-return-value

Don't return `true` from view classes' render() method.
Merge pull request #2782 from jimmymadon/feature-clarify-acl-errors

Clarified ACL node lookup failed error.
Minor documentation corrections about Router::connect().
Minor comments only. Added more explanation of $defaults parameter to Router::connect(). Trying to clarify how it relates to the routing destination and the template string tokens.
Merge pull request #2786 from sam-at-github/master

Router::comment() documentation
Fix ApiGen errors
Merge pull request #2792 from rockingeric/fixer

Fix ApiGen errors
Fixed prefixed action prefix reverse routing match. One liner.
Fix formatting - one space too much. Refs #2799.
Test added for previous fix in CakeRoute.php. Refs #2797.
Merge pull request #2799 from sam-at-github/master

Fixed prefixed action prefix reverse routing match. One liner.
Remove trailing whitespace.

Refs #2799
Merge pull request #2770 from ukk1337/master

Added missing 'Session'-Component in bake
Remove dead and unused code.
Fix temporary associations that replace fields not being restored.

When binding temporary associations, fields should be restored
in the afterFind as the association will have become unbound.

Fixes #2816