fixed foundations typo
capitalized association in ARL description
Merge branch 'master' of https://github.com/CenterForOpenScience/centerforopenscience.org into sponsors
Adjusted the numbers for each grant and changed the LJAF statement
changed name to about_sponsors
added About Sponsors to the base menu page
added the correct amazon smile link
Merge pull request #156 from erinspace/sponsors

Updated amounts, wording and links on sponsors page, added link to About Us