Adding install script for development dependencies.

install-dev.sh

@@ -0,0 +1,8 @@
+# Dependencies for OpenWPM development -- NOT needed to run the platform.
+# * Required for compiling Firefox extension
+sudo apt-get install npm
+
+# Fix naming issue
+ln -s /usr/bin/nodejs /usr/bin/node
+
+sudo npm install jpm -g