Decrease nav links spacing
Decrease nav links spacing

- to accomodate new links additions (daily-zoo, blog)
- @heathv approved

edpaget/Panoptes-Front-End,camallen/Panoptes-Front-End,tfmorris/Panoptes-Front-End,mrniaboc/Panoptes-Front-End,edpaget/Panoptes-Front-End,jelliotartz/Panoptes-Front-End,CKrawczyk/Panoptes-Front-End,amyrebecca/Panoptes-Front-End,aliburchard/Panoptes-Front-End,jelliotartz/Panoptes-Front-End,amyrebecca/Panoptes-Front-End,mrniaboc/Panoptes-Front-End,parrish/Panoptes-Front-End,aliburchard/Panoptes-Front-End,alexbfree/Panoptes-Front-End,mrniaboc/Panoptes-Front-End,alexbfree/Panoptes-Front-End,camallen/Panoptes-Front-End,fmnhExhibits/Panoptes-Front-End,jelliotartz/Panoptes-Front-End,alexbfree/Panoptes-Front-End,edpaget/Panoptes-Front-End,zooniverse/Panoptes-Front-End,tfmorris/Panoptes-Front-End,fmnhExhibits/Panoptes-Front-End,CKrawczyk/Panoptes-Front-End,camallen/Panoptes-Front-End,parrish/Panoptes-Front-End,fmnhExhibits/Panoptes-Front-End,amyrebecca/Panoptes-Front-End,parrish/Panoptes-Front-End,CKrawczyk/Panoptes-Front-End