Update dependency list
Update dependency list

In addition to installing pythong-virtualenv, python-dev also needs to be installed in order for setup.sh to install everything in requirements.txt properly.
andyfoundi/mongodb-tools,jwilder/mongodb-tools,yaowenqiang/mongodb-tools,yaowenqiang/mongodb-tools,andyfoundi/mongodb-tools,jwilder/mongodb-tools,svdata/mongodb-tools,svdata/mongodb-tools,safanaj/mongodb-tools,safanaj/mongodb-tools