Fixed missing ini_get check in the stream transport

The missing ini_get check causes the Joomla\HTTP\Factory::getHTTP returning a transport that isn't working
Added a check in the factory for the case that no transport driver is available
Added a check in the factory for the case that no transport driver is available
Merge branch 'jhttpfix' of github.com:SniperSister/joomla-framework into jhttpfix

Conflicts:
Adjusted code style
Merge pull request #187 from SniperSister/jhttpfix

Fixed missing ini_get check in the stream transport