Fix src/version.cc number to be consistent with next trunk push

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23000010

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix GC Mole warning

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22815005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.21.0

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22870007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00