Add more release group configs.
Add more release group configs.

- Add release group configs for daisy, peach, and nyan.
- Combine the sandybridge and ivybridge release groups into one group.
- Add falco_li to the slippy release group.
- Rename atom-release-group -> pineview-release-group
- Add a second rambi release group, renaming the first one too.

This will be chumped at the same time as a companion change to update
the waterfall to use the new release groups.

BUG=chromium:348226
TEST=All unit tests.
TEST=Trybot runs of all of the changed configurations.

Change-Id: I96749cbd700d726d0b75ef37d131dc5e6ee14fc9
Reviewed-on: https://chromium-review.googlesource.com/190266
Reviewed-by: David James <f231dc574bbeb62604660cbc162d1b8642a0a3af@chromium.org>
Tested-by: Peter Mayo <3d31fdaf44dc55bb1b4f50b19df9bc879177d37a@chromium.org>

bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite