Change bug URL to point at Parallella SDK forum.

2013-02-04  Simon Cook  <simon.cook@embecosm.com>

        * build-toolchain.sh: Updated copyright.
        Update bug URL to point to Parallella SDK forum.
Merge branch 'parallella-4.7' of github.com:parallella/epiphany-sdk into parallella-4.7

Conflicts:
	ChangeLog