MADlib git repos move

[Nandish Jayaram <nj...@pivotal.io>]

Hi All,

The Apache infra team has very kindly removed 'incubator'
from our git repos and other Apache resources:
https://issues.apache.org/jira/browse/INFRA-14872

As developers, the consequence of this is that we will have to
update our forked repo information accordingly. Please go ahead
and update your own forked repo name. For instance, I have updated
my repo name to https://github.com/njayaram2/madlib. To make this
change, please follow the instructions at:
https://help.github.com/articles/renaming-a-repository/

Further, you have to update the repo names in your local repositories
too. Your own forks, and also MADlib's upstream repos have to be
changed. Running `git remote -v` shows all the remote repos you have
locally, and their URLs. For instance, I used to have:
> git remote -v
njayaram2 https://github.com/njayaram2/incubator-madlib.git (fetch)
njayaram2 https://github.com/njayaram2/incubator-madlib.git (push)
upstream
https://njayaram@git-wip-us.apache.org/repos/asf/incubator-madlib.git (push)
upstream
https://njayaram@git-wip-us.apache.org/repos/asf/incubator-madlib.git
(fetch)
origin https://github.com/apache/incubator-madlib.git (fetch)
origin https://github.com/apache/incubator-madlib.git (push)

Run the following commands to update this information:
> git remote set-url njayaram2 https://github.com/njayaram2/madlib.git
> git remote set-url upstream
https://njayaram@git-wip-us.apache.org/repos/asf/madlib.git
> git remote set-url origin https://github.com/apache/madlib.git
> git remote -v
njayaram2 https://github.com/njayaram2/madlib.git (fetch)
njayaram2 https://github.com/njayaram2/madlib.git (push)
upstream https://njayaram@git-wip-us.apache.org/repos/asf/madlib.git (push)
upstream https://njayaram@git-wip-us.apache.org/repos/asf/madlib.git (fetch)
origin https://github.com/apache/madlib.git (fetch)
origin https://github.com/apache/madlib.git (push)

Similar changes must be made to the other MADlib git repos, if you have
them:
1) https://git1-us-west.apache.org/repos/asf?p=incubator-madlib-site.git
2) https://github.com/apache/incubator-madlib-site (Mirror)
These are now changed to:
1) https://git1-us-west.apache.org/repos/asf?p=madlib-site.git
2) https://github.com/apache/madlib-site

This seems like all the changes we will have to make as developers,
please add on to this list if you find any other changes we should be
making.

NJ