oregon key added.
instance url added
Remove comma between operator list in the problem server.

Squashed commit of the following:

commit 9f8233147a228b425e7cd08977c6cf73f332edff
Author: Yu Sugawara <gusmachine+git@gmail.com>
Date:   Sun Aug 11 14:45:33 2013 +0900

    remove comma.
Add spaces on problem server list to make it copy-pastable.

Squashed commit of the following:

commit 0a62c5f8a302ab60072cad78ee2386d236aa7fbe
Author: Yu Sugawara <gusmachine+git@gmail.com>
Date:   Sun Aug 11 14:53:39 2013 +0900

    space.
new instance
how to login to oregon server
Merge branch 'master' of https://github.com/nushio3/ICFPC2013
Merge branch 'master' of github.com:nushio3/ICFPC2013
login to the second oregon machine
Merge branch 'master' of github.com:nushio3/ICFPC2013
fix parallel-solver
Merge branch 'master' of https://github.com/nushio3/ICFPC2013
temp
Merge branch 'master' of github.com:nushio3/ICFPC2013

Conflicts:
	solver/exe-src/parallel-solver.hs
bonus q
Update training script and data.

Squashed commit of the following:

commit 0c729aaea45a63ba63b781eedd2158d628ddb3d5
Author: Yu Sugawara <gusmachine+git@gmail.com>
Date:   Sun Aug 11 15:57:31 2013 +0900

    update training data.
bonus test
Merge branch 'master' of github.com:nushio3/ICFPC2013
Merge branch 'master' of github.com:nushio3/ICFPC2013
re-fix