Fix r-notebook notebook start

r-notebook/Dockerfile

@@ -18,16 +18,18 @@ RUN apt-get update && \
 USER $NB_UID
 
 # R packages
+# Force tornado<5 for #589
 RUN conda install --quiet --yes \
-    'r-base=3.3.2' \
-    'r-irkernel=0.7*' \
+    'tornado<5' \
+    'r-base=3.4.1' \
+    'r-irkernel=0.8*' \
     'r-plyr=1.8*' \
-    'r-devtools=1.12*' \
-    'r-tidyverse=1.0*' \
-    'r-shiny=0.14*' \
-    'r-rmarkdown=1.2*' \
-    'r-forecast=7.3*' \
-    'r-rsqlite=1.1*' \
+    'r-devtools=1.13*' \
+    'r-tidyverse=1.1*' \
+    'r-shiny=1.0*' \
+    'r-rmarkdown=1.8*' \
+    'r-forecast=8.2*' \
+    'r-rsqlite=2.0*' \
     'r-reshape2=1.4*' \
     'r-nycflights13=0.2*' \
     'r-caret=6.0*' \
@@ -35,8 +37,8 @@ RUN conda install --quiet --yes \
     'r-crayon=1.3*' \
     'r-randomforest=4.6*' \
     'r-htmltools=0.3*' \
-    'r-sparklyr=0.5*' \
-    'r-htmlwidgets=0.9*' \
+    'r-sparklyr=0.7*' \
+    'r-htmlwidgets=1.0*' \
     'r-hexbin=1.27*' && \
     conda clean -tipsy && \
     fix-permissions $CONDA_DIR