add placeholder microsoft support page
unoffensive microsoft blurb
microsoft ipython donation
revert continuum logo size
fix path to MS logo
add MS logo and fix path
Merge pull request #48 from numfocus/microsoft

Microsoft
fix microsoft logo dimensions
Merge pull request #51 from mrterry/ms_logo_fix

fix microsoft logo dimensions
add bitcoin donation
add alt text to images
Merge pull request #54 from mrterry/bitcoin

add bitcoin donation button
Merge pull request #53 from mrterry/alt

add alt text to images