-Use QX11Info class to obtain xcb connection ( this adds QX11Extras as
dependency )
-Remove redundant headers.
-Update travis config to reflect changes.
-Update README to reflect changes.
-Use pkgconfig to obtain pkg info instead of hardcoded library locations
-Use QX11Info class to obtain xcb connection ( this adds QX11Extras as dependency ) -Remove redundant headers. -Update travis config to reflect changes. -Update README to reflect changes. -Use pkgconfig to obtain pkg info instead of hardcoded library locations