Harden the `bin/cake` script to avoid breakage when local shell environment has a `CDPATH` set.
Add 'feedback' to uninflected single and plurals
Merge pull request #3530 from beporter/feature/bin-cake-cdpath-fix

Harden the `cake` script to avoid `CDPATH` breakage.
Merge pull request #3528 from Marlinc/patch-1

Add 'feedback' to uninflected single and plurals
Fixed secure form hash for special url.
No htmlspecialchars encode and without fragment identifer.
fixed comment and test case typo.
fixed test comment.
Removed unnecessary conditional branch, fixed test and comment.