Add special handling in ASCE7-16 output

Just prior to outputting the result for ASCE7-16...

...check if the fa_note is a non-empty string (and not null, etc...). If the fa_note is a non-empty string, output the following values to null rather than their calculated values:

• fa
• sms
• sds
• sdcs
• sdc
• t0
• ts
• cv
• twoPeriodDesignSpectrum
• twoPeriodMCErSpectrum
• verticalDesignSpectrum
• verticalMCErSpectrum

...check if the fv_note is a non-empty string (and not null, etc...). If the fv_note is a non-empty string, output the following values to null rather than their calculated values:

• sm1

• sd1

• sdc1

• sdc

• twoPeriodDesignSpectrum

• twoPeriodMCErSpectrum

• verticalDesignSpectrum

• verticalMCErSpectrum