Monitors network version upgrades.
For pull to work, certificates must be placed in puller/certs/ To produce certificates follow the instructions for generating keys and certs in the symbol node guide.
git clone https://github.com/symbol/miscellaneous.git
git clone https://github.com/symbol/symbol.git
cd symbol/explorer/nodewatch/puller
PYTHONPATH=../../../../miscellaneous ./pull.sh <resource folder> <timeout>
cd ..
python -m webapp.app --resources ./resources