"Latest build" link in readme is out of date

[flexplate]

The link in the readme to download the "latest build" of Node points to Node 0.8.22 - which was current at the time of iisnode's release but is now several major releases out of date. I suggest pointing the link to https://nodejs.org/en/download/.

[lextm]

There are also other issues with the readme file,

• WebMatrix is end of life so should be removed.
• If IIS 10 is supported by this fork, it should be added.

Anyway if Microsoft intends to keep this fork active, while the original repo seems to be dead, then many things should be improved now or never.