[Development] V8's location

[shane.kearns at accenture.com]

> This would help a bit for one problem.
>
> But the other problem is that it makes working with qtbase harder
> because of
> the submodule. (while comitting you have to remember not to commit the
> v8
> stuff)
>
> I think having a submodule in qtbase causes a lot of trouble for very
> little
> gain.
>

Another issue is that the V8 repository has files checked in with CRLF line endings (intentionally or otherwise), which makes git think there is always a modified file if core.autocrlf=true in git config.
Among other things, this blocks the "git submodule update"

It can be worked around like this:

$ git submodule update
error: You have local changes to 'tools/visual_studio/d8_arm.vcproj'; cannot switch branches.
Unable to checkout 'd28b6a024826aaa48a8b3e69c096d01c91aff2c9' in submodule path'src/3rdparty/v8'

$ cd src/3rdparty/v8/

$ git reset --hard d28b6a024826aaa48a8b3e69c096d01c91aff2c9
Checking out files: 100% (894/894), done.
HEAD is now at d28b6a0 Add flag to avoid breakpoint relocation

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