removed base package tools as dependency from README

Author: dlebauer

experiment-trait-data-visualizer/README.md

@@ -3,9 +3,9 @@
 #### Time series box, line plots and heatmaps for every available season
 
 #### Dependencies
+
 - shiny
 - shinythemes
-- tools
 - lubridate
 - dplyr
 - ggplot2
@@ -18,6 +18,7 @@
 #### BETYdb remote access uses ssh tunnel: ssh -Nf -L 5432:localhost:5432 bety6.ncsa.illinois.edu
 #### [Request access](https://identity.ncsa.illinois.edu/join/TU49BUUEDM)
 #### Set the following environment variables
+
 - bety_dbname ('bety')
 - bety_password
 - bety_host ('localhost')