Merge pull request #347 from mikeubell/master

Distinguish 497 payments from contributions.
add disclaimer about difference in totals displayed by contributions table and daily contibutions chart
Merge branch 'upstream'
Merge pull request #348 from ianaroot/master

faq about contributions table vs cumulative chart
Merge pull request #332 from mikeubell/IEC

Add independent expenditures.
Add href to recipient.