Directly modify version file on trunk branch in push-to-trunk.

- This also shifts the push revision by one to prepare for the deprecation of the prepare push commit
- The version increment is still based on the bleeding_edge version.cc. This will be changed in a follow up CL.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/200763013

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.25.19.

R=yangguo@chromium.org
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/199273004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20055 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Run mozilla and webkit of fast quickcheck archs as well

BUG=none
R=svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/204363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20056 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Access old space marking bits from runtime only when incremental marking is in MARKING state.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/203523009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00