Fixing documentation that creates WARNING message in R CMD check

DESCRIPTION

@@ -4,16 +4,16 @@ Title: A search tool for single cell RNA-seq data by gene lists
 Version: 3.7.0
 Author: Jimmy Lee, Nikolaos Patikas
 Maintainer: Jimmy Lee <[email protected]>, Nikolaos Patikas <[email protected]>
-Authors@R: c(person("Vladimir", "Kiselev",
-             email = "[email protected]",
-             role=c("aut")),
-             person("Martin", "Hemberg",
-             role=c("aut")),
+Authors@R: c(person("Jimmy Tsz Hang","Lee",
+             email = "[email protected]",
+             role=c("aut", "cre")),
              person("Nikolaos","Patikas",
              email = "[email protected]",
+             role=c("aut", "cre")),
+             person("Vladimir", "Kiselev",
+             email = "[email protected]",
              role=c("aut")),
-             person("Jimmy Tsz Hang","Lee",
-             email = "[email protected]",
+             person("Martin", "Hemberg",
              role=c("aut")))
 Description: Recently a very large collection of single-cell RNA-seq (scRNA-seq) datasets 
              has been generated and publicly released. For the collection to be 
@@ -23,7 +23,7 @@ Description: Recently a very large collection of single-cell RNA-seq (scRNA-seq)
              and compact manner so that the datasets can be very efficiently 
              searched for either cells or cell types in which a given list of 
              genes is expressed.
-License: GPL-3
+License: GPL-3 + file LICENSE
 Imports:
     SingleCellExperiment, methods, Rcpp (>= 0.8.5), SummarizedExperiment, shiny, data.table, DT, hash, ggplot2, stats
 LinkingTo: Rcpp, RcppArmadillo