Merge pull request #393 from zhchbin/master

Remove the url string from alert, confirm and prompt dialog. Fix #392.
add parameter for WebFrame on context creation

we want to operate on main frame in the future
always redirect global.console to webkit

There are cases that the new Frame doesn't have Node enabled on
navigation, and then the 'console' set previously won't work since
the rv has been swapped out. Fix #350
Deal with parameters with renderers only

Fix #399
[README] reformat h1 to h2; highlight demo & apps
test case for plugin #399
Merge pull request #401 from owenc4a4/test

test case for plugin #399
[API] Change chromium_args sperator from whitespace to semicolon.