Enable ES6 numeric literals by default

BUG=v8:2783
LOG=Y
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/703943002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Enable inlining tests that pass with new scheduler.

R=titzer@chromium.org
TEST=test-run-inlining/InlineTwiceDependentDiamond

Review URL: https://codereview.chromium.org/704293002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'