[openib-general] switch from svn to git

[Sean Hefty]

Bob Woodruff wrote:
> This approach assumes that no one wants to follow the latest version (tip) 
> of the tree and that people only care about specific releases or RCs,
> which is not the case. 

To be clear, I'm only suggesting that openfabrics consider using a different 
source control tool with better capabilities for handling branches and merges. 
And to me, the most natural replacement would be git.

- Sean