adding transparent background support to barcode
removing alpha as it's not used
None circular dependency being detected as a circular dpendency in some instances
Removed @package
Specify correct return type for `Pdo\Connection::getLastGeneratedValue`

See http://php.net/manual/en/pdo.lastinsertid.php for reference that it returns `sting` instead of `int`.

TODO: change type of `$lastInsertValue` property and `getLastInsertValue` method in `Zend/Db/TableGateway/AbstractTableGateway.php` accordingly.
[http] Fix a couple of tests
[http] Enable online tests in Travis-CI
[http] More fixes
Fixes #5516
- adds fix into Zend\Mvc\Router\Http\Segment::encode
- adds test case for new fix
Fixes #5516
- fixes cs in test case
Add a check for aliases when checking for circular dependencies. If aliases are used, assume the dependencies aren't circular unless the same alias is used multiple times.
Add more tests that highlight a regression in the new circular dependency check for aliases
Change alias check to pass additional tests
Added a test to show the duplication of routes when using a chain_link and the scheme route type.
update userguide manual link
shortcircuit rendering if no messages
shortcircuit rendering if no messages

fix git editor whitespace
FIX Zend\Db\Sql\Select: getRawState('order') is inconsistent after
calling reset() #5767
Update Predicate.php

I have added a notLike predicate in file so you can use is on sql query
Resolves #4708 - added unit tests