Merge pull request #168 from terraref/feature

Shiny App Ready for Initial Deploy

Author: dlebauer

experiment-trait-data-visualizer/README.md

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+### A Shiny app for visualizing trait data in BETYdb
+
+#### Time series box, line plots and heatmaps for every available season
+
+#### Dependencies
+
+- shiny
+- shinythemes
+- lubridate
+- dplyr
+- ggplot2
+- timevis
+- rgeos
+- leaflet
+- cronR
+
+```{r echo=FALSE}
+lapply(list('shiny', 'shinythemes', 'lubridate', 'dplyr', 'ggplot2', 'timevis', 'rgeos', 'leaflet', 'cronR'),
+       install.packages)
+```
+
+to install cron (Ubuntu)
+
+```sh
+apt-get update
+apt-get install cron
+```
+
+#### Setup and Notes
+
+* Data are cached in a file `cache.RData` and updated using the cronR R interface to cron
+* Access to BETYdb remote access requires ssh tunnel 
+  * `ssh -Nf -L 5432:localhost:5432 bety6.ncsa.illinois.edu`
+  * requires access, which can be [requested here](https://identity.ncsa.illinois.edu/join/TU49BUUEDM)
+* Set the following environment variables
+
+- bety_dbname ('bety')
+- bety_password
+- bety_host ('localhost')
+- bety_port ('5432')
+- bety_user ('bety')