14.01: update armv7 model testing wording

ARM provided new wording for how the models are tested and for which
models are usable by the release.

Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
14.01: update 13.12 text to 14.01

Update all occurrences of 13.12 with 14.01.

Some references to 201312* still exist in various filenames and will
need to be removed later when we know which images we are using.

Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
14.01: add changed from ARM

Added changes from Robin in email dated 27th Jan 2014 @11:10.

Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>