updated link
updated link to "vi-firmware.openxcplatform.com"
Merge branch 'next'
Split up creating, deleting and updating diag requests for clarity.

Now reads the 'action' field of an incoming diagnostic request.
Don't allow updating recurring diag requests (KISS).

Just delete it and re-add. For a proper update we would need a way to
tell exactly which fields you want to update, and from there things get
ugly.
Return a status response for all diagnostic request commands.
Add tests for adding non-recurring diag requests and cancelling.
Make sure diag command responses have no 'message'.
Work around lack of symlinks on the shared folder in Vagrant in Windows.

Fixed #259.
Note that changing PATH didn't seem necessary for VirtualBox in Win8.
Work around lack of symlinks on the shared folder in Vagrant in Windows.

Fixed #259.
Always check out shell scripts without CR with Git

Without this, if you check out files from Git with Windows-style line
endings (the default for the GitHub app in Windows) you won't be able to
run any of the shell scripts from within Cygwin.
Dereference symlinks while copying GCC for ARM.
Merge branch 'master' into next