adding version 1.2 changes.
additional test examples for switches and LEDs
Update MMA8452Q_Example2.pde

flipping the address bit, which which changed in version 1.2
Update MMA8452Q_Example.pde

flipping the address bit, which changed in version 1.2
Merge remote-tracking branch 'upstream/v1_2' into v1_2
add in button / speaker test
updating BOM
Merge branch 'v1_2' of github.com:HackerScouts/hackerling-circuit into v1_2
updates to HC test programs
Merge remote-tracking branch 'upstream/v1_2' into v1_2
move programs to own subdirs
typo in dir name
Merge v1_2 into master