Add chart display radio buttons to controls panel.
Dipole radio button now shows fast-average of M for individual dipoles for last record point…
by impementing ActionListener.  Need to give user more control (combo box to set fast-average period, etc).
Update version code to 0.8.1
Merge pull request #2 from JeffMcKnight/ver_0_8_1

Dipole radio button now shows fast-average of M for individual dipoles…