adding transparent background support to barcode
removing alpha as it's not used
[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
update userguide manual link
fix strange exception message
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
Resolves #4708 - added unit tests
Resolves #4708 - updated tests for transparency to fix travis
Resolves #4708 - remove method used for testing, different solution chosen.
Resolves #4708 - coding standards.
Resolves #4708 - change comparison for svg as well as this isn't working as intended.
Resolves #4708 - static runOnce causing subsequent tests to fail, need to run transparency test first.
Resolves #4708 - static runOnce causing subsequent tests to fail, additional refactor
Enabling the Request object to generate the correct scheme for SSL URI requests to
a webserver through an HTTP proxy or load balance

HTTP_X_FORWARDED_PROTO request header is sent by loadbalancers insted of HTTPS to
indicate the URI was requested via a secure connection.

An example of this useage is Amazon Elastic Beanstalk applications which can sit
behind a load balancer (when autoscaling)