bing https logo fix

[photostu]

If https is missing from bing logo uri, replace

[pagameba]

why not use a protocol-less URI (//...)? No code required.

[bartvde]

@pagameba the bing Maps metadata sends back an explicit http://

[photostu]

I like the idea of removing the protocol as well, apparently this is considered an anti-pattern now though.
I updated my PR to fix syntax for Travis, my first time submitting here, please be gentle.

[pagameba]

@bartvde ah :)

[tschaub]

Thanks for the contribution @photostu. I think this looks like a sensible fix until Bing advertise the logo URL with the correct protocol.

[photostu]

No problem, glad I could contribute! :-)

[bartvde]

@photostu have you signed a CLA already? If not, please see: https://github.com/openlayers/cla for details. TIA.

[photostu]

I had not signed before, but just took care of it. Cheers.

[bartvde]

thanks!