update to latest chromium
previous rebase work from Cheng
ignore cache file and
test case for user agent
mark test case reload app 'long-to-run'
test for node-remote
add test node-remote to auto test
rebase fix
use v8 proxy resolver

Fix #318
[rebase] fix devtools
Update to newest Chromium upstream.

Conflicts:
	src/nw_package.cc
[Mac] Update to newest Chromium upstream.
rebase fix
[rebase] fix devtools
use v8 proxy resolver

Fix #318
Merge branch 'rebase'

Conflicts:
	src/nw_package.cc
Merge pull request #326 from owenc4a4/test

Test case for user-agent and node-remote
Disable Node binding in Devtools' DOM

We don't want to execute node-main again. Fix #327
bump version to 0.4.0-pre
new option 'new-instance' in gui.Window.open()

Setting the option to 'true' starts a new renderer process
and Node instance. Fix #306