explicitly state configuring visual studio OR download any file
fixed broken image link and image spacing
removing firmware update troubleshooting section, since this is not the firmware update method we are supporting.
link to IBoughtAGalileo instead of UpdateYourGalileo, which doesn't exist in troubleshooting
Fixed line endings and spacing causing rendering issues
Add button to IBoughtAGalileo
Clarify that it is not just bought your own
Win7 imaging instructions
Merge pull request #2 from IoTDan/develop

win7 imaging documentation and fix minor issues in self-update