--- a/tool_dependencies.xml	Mon May 08 20:17:36 2017 -0400
+++ b/tool_dependencies.xml	Tue May 09 06:01:48 2017 -0400
@@ -16,10 +16,6 @@
                   <repository changeset_revision="d0bf97420fb5" name="package_r_3_2_1" owner="iuc" toolshed="https://toolshed.g2.bx.psu.edu">
                       <package name="R" version="3.2.1" />
                     </repository>
-                    <action type="shell_command">
-                      sudo apt-get install xorg </action>
-                    <action type="shell_command">
-                      sudo apt-get install libx11-dev </action>
                     <package>http://bioconductor.org/packages/3.2/bioc/src/contrib/BiocGenerics_0.16.1.tar.gz</package>
                     <package>http://www.bioconductor.org/packages/release/bioc/src/contrib/Biobase_2.36.1.tar.gz</package>
                     <package>https://cran.r-project.org/src/contrib/iterators_1.0.8.tar.gz</package>
@@ -128,6 +124,7 @@
                     <package>https://cran.r-project.org/src/contrib/Archive/NMF/NMF_0.20.5.tar.gz</package>
                     <package>https://cran.r-project.org/src/contrib/png_0.1-7.tar.gz</package>
                     <package>https://cran.rstudio.com/src/contrib/igraph_1.0.1.tar.gz</package>
+                    <package>https://cran.r-project.org/src/contrib/Archive/devtools/devtools_1.6.tar.gz</package>
                     <package>https://cran.r-project.org/src/contrib/Archive/rgl/rgl_0.93.996.tar.gz</package>
                     <package>https://cran.rstudio.com/src/contrib/mixOmics_6.1.2.tar.gz</package>
                     <package>http://bioconductor.org/packages/3.2/bioc/src/contrib/bumphunter_1.10.0.tar.gz</package>