Add "hello, world"
Use TI LaunchPad for prototyping
Rename build output to match .gitignore

.gitignore expects build outputs to have a suffix; .out seems most
appropriate.
Ignore build information
Forgot a couple .outs
Toggle LaunchPad LED1
Add sampling and PWM output
Remove USB bridge and WDT from block diagram
Set clock rate
Correctly set up ADC registers