Switch PHPCS to Composer to match PHPUnit
Add related link by kind
Deprecate Start/End Time

* iBL have introduced scheduled_start/end and transmission_start/end to replace start_time and end_time in order to more clearly differentiate between when a programme is expected to start and when it actually does
* Updated the Broadcast Mode + Tests to reflect this
Change error handling to properly populate string from printf parameters
Merge pull request #63 from dineshraj/depricate-start-and-end-time-for-broadcasts

Deprecate Start/End Time
Merge pull request #59 from charlier/groups

Add related link by kind
move coverage generation to phpunit.xml
Merge pull request #60 from charlier/coverage

move coverage generation to phpunit.xml
Merge pull request #64 from DaMouse404/error-state-printf

Change error handling to properly populate string from printf parameters
Merge pull request #58 from DaMouse404/composer-phpcs

Switch PHPCS to Composer to match PHPUnit
Fully cover Broadcast model
Remove some of the duplication in ClientTest
Merge duplicated model building to single location
Merge pull request #68 from DaMouse404/client-test-duplication

Remove some of the duplication in ClientTest
Merge pull request #66 from DaMouse404/giving-110

Fully cover Broadcast model
Merge pull request #67 from DaMouse404/model-builder

Merge duplicated model building to single location
Added methods to find Now and Next broadcasts
Broadcast Tests

Added tests for isOnNow and isOnNext and moved test to use a Model rather than call Bamboo
Updated PR after rebasing