collate_socials: Collate Social Network Charts
In jonocarroll/butteRfly:

1 2	collate_socials(user = NULL, additionalInfo = NULL, socials = c("GitHub", "Twitter", "StackOverflow"))

`user`	vector of social network IDs to collate
`additionalInfo`	vector of logical. Should additional info (nCommits, nTweets, nAnswers) be overlayed?
`socials`	vector of networks to collate.

Collates social network contributions with GitHub-style tile charts. Values of contributions (number of commits to GitHub, number of Tweets, number of accepted answers to StackOverflow) are overlayed if requested.

This function utilises both theme_github and scale_fill_social and is subject to updates to those functions.

a grid object of collated charts.

## Not run: 
collate_socials(user = c("jonocarroll", "carroll_jono", 4168169), 
                socials = c("GitHub", "Twitter", "StackOverflow"))
## End(Not run)