Merge pull request #1 from openworm/development

Development
Adding script for electrical simulation
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Update GEPPETTO.xml
Update HH_Geppetto_Script.js
Update HH_Geppetto_Script.js
Merge pull request #2 from openworm/master

Master to development