Documentation; prepare for retina display

462fe1ee · Thomas Mueller · e9170d56 · 462fe1ee · 462fe1ee · 462fe1ee
--- a/h2/src/docsrc/html/images/download-2.png
+++ b/h2/src/docsrc/html/images/download-2.png
--- a/h2/src/docsrc/html/images/paypal-donate.png
+++ b/h2/src/docsrc/html/images/paypal-donate.png
--- a/h2/src/docsrc/images/paypal-donate.png
+++ b/h2/src/docsrc/images/paypal-donate.png