Installation:
sudo python setup.py install

Using the tool:
./glue.py ../../etherpad/src/static/img/icons/ -a horizontal --cachebuster --img=../../etherpad/src/static/img/ --css=../../etherpad/src/static/css/
./glue.py ../../etherpad/src/static/img/icons-ace/ -a horizontal --margin=400 --cachebuster --img=../../etherpad/src/static/img/ --css=../../etherpad/src/static/css/
