added add_db.py script
Add Nexmo SMS notification reaction
updated db mgmt scripts
updated db mgmt scripts
updated .tavis.yml
updates
release script
Merge pull request #136 from mjhea0/develop

mgmt scripts and release script
updated test instructions
Merge pull request #137 from mjhea0/develop

updated test instructions
Add text field to nexmo SMS notification

Also, add a validator for to_address to match 5+ digits
Merge pull request #134 from Sanrag/nexmo

Add Nexmo SMS notification reaction