A couple of typos and clarification of tool naming.
Merge pull request #22 from huwg59/patch-1

A couple of typos and clarification of tool naming.
Changes to support D4U target in app
Adding configuration option to change function of PLL AUX out
Forgot to commit PLL config changes
Merge branch 'master' into multi_stream_example
Incorporating changes to simple app for multi stream support