Update logos

[jGaboardi]

Following the enhancements detailed in pysal/logo#25, the logos on pysal.org should be updated.

[jGaboardi]

• favicon — Update favicon & notebooks screenshot #151
• navigation logo (top index)
• large logo (bottom home — new svg in [ENH] Adding more logo options logo#26)
• notebooks — new screenshot of http://pysal.org/notebooks/ — Update favicon & notebooks screenshot #151
• contact NumFocus about updating the PySAL logo on the affiliated projects page
• PySAL project space logo
• other?

[jGaboardi]

notebooks image --> pysal/notebooks#86
Done — #151

[jGaboardi]

To Do // Needs Attention

favicon on home page is not transparent, favicon on other pages is not updated.

Done — #151

[sjsrey]

Not sure if this is related to any of the issues here, but the current logos in the reboot branch look fairly pixelated:

[knaaptime]

that's weird, it's an svg?

[sjsrey]

It is only looking that way on firefox on ubuntu. Chrome on the same box looks fine.

[jGaboardi]

Not sure if this is related to any of the issues here, but the current logos in the reboot branch look fairly pixelated:

ooof. those are way pixelated. not sure why this happening. and fwiw the current website on FireFox also seems to pixelated the navigation logo (though not as bad as above):