ADD travis ci specific PHPUnit config
ADD & DEL moving PHPUnit config into SprayFireTest

This was done so that apps can put their own tests into this directory
utilizing the same conventions that SprayFire does
UPD making travis unit tests show text code coverage
UPD removing erroneous TODO
UPD adding appropriate package and subpackage for docs
UPD fixing some more docs
UPD remove some more todo [ci skip]
UPD adding some more docs to the API for phpdoc generation
UPD adding link to services blog article
UPD adding more docs to Mediator