leftygray/Cascade_calculations: Version for HIV Ageing Paper

This release corresponds to the code used to produce the results and figures for the submitted version of the HIV ageing paper manuscript.

Version info: Code run using R version 3.4.3 (2017-11-30) in: Rstudio version 1.1.423 On: 2018-06-04 With (packages used for ageing calculations): gridExtra 2.3; RColorBrewer 1.1.2; scales 0.5.0; captioner 2.2.3; cowplot 0.9.2; forcats 0.3.0; stringr 1.3.0; dplyr 0.7.4; purrr 0.2.4; readr 1.1.1; readxl 1.0.0; tidyr 0.8.0; tibble 1.4.2; ggplot2 2.2.1; tidyverse 1.2.1.