deleted duplicates
	deleted:    src/com/corridor9design/mfdpaycalculator/PreferencesHandler.java
	deleted:    src/com/corridor9design/mfdpaycalculator/SettingsActivity.java
	deleted:    src/com/corridor9design/mfdpaycalculator/SettingsFragment.java
	deleted:    src/com/corridor9design/mfdpaycalculator/deductions/DeductionEditActivity.java