fixes failing test cases in ModelTaskTest if not run in test-suite

Tests 'testSkipTablesAndAll' and 'testExecuteIntoAll' didn't took fixture
table 'core.number_tree' into account.
Merge pull request #3493 from Schlaefer/fix-failingModelTaskTest

fixes failing test cases in ModelTaskTest if not run in test-suite
Fix inline attachments being broken when only sending an HTML text body.

The rel boundary was closed too early causing inline images to be
incorrectly included in the email message.

Refs #3474
Removed the little doc that lied

View::get() never looked up blocks
Merge pull request #3497 from jameswatts/feature/view-wat

Removed the little doc that lied
Make sure invalid arrays return empty array instead of throwing notices.
Merge pull request #3498 from dereuromark/master-hotfix-hash

Make sure invalid arrays return empty array instead of throwing notices.
Make help clearer around how to use UpgradeShell.

Closes #3504
Update version number to 2.5.1
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
Fix incorrect status line parsing in HttpSocketResponse.

Allow for multi-word status reasons.

Closes #3545
Fixed secure form hash for special url.

No htmlspecialchars encode and without fragment identifer.
Removed unnecessary conditional branch, fixed test and comment.
Add additional test case for named parameters.

Refs #3525
Merge branch 'secure-form-url-special'

Merge pull request #3525 into master. This fixes additional issues with
form tampering prevention by accomodating more URL types.
Optimize renew().

Don't call session_id() twice when we can use a local variable to store
the current session id.

Fixes #3531
Don't disable the entire select when disabled is array(1)

When the disabled attribute is just array(1), then the attribute should
be filtered out of select element attributes. This is kind of a hacky
workaround but changing the underlying attribute handling is going to be
pretty tricky and far more dangerous.

Fixes #3546