Locate 1958 data and add to main dataset

[rufuspollock]

[titojankowski]

Here's a page referencing older data from Scripps: http://scrippsco2.ucsd.edu/data/atmospheric_co2/mlo

In particular, check out: CO2 daily daily_in_situ_co2_mlo.csv 1958 - 2006 link to csv

[anuveyatsu]

@svetozarstojkovic can you please estimate this one?

[svetozarstojkovic]

This will be implemented in next couple of days.

[anuveyatsu]

@svetozarstojkovic could you give us some details, e.g., is it fixed and how? May be a link to our dataset would be useful.