Ubuntu 16.04 - snipeit.sh missing php-zip (Required for back-up)

[sgovaerts]

Expected Behavior (or desired behavior if a feature request)

When going to admin --> Backup and I select "Generate Backup" I expect it to to work

Actual Behavior

Fatal error: Class 'ZipArchive' not found

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Please provide answers to these questions before posting your bug report:

• Version of Snipe-IT you're running
  v3.0-ebc74a65
• What OS and web server you're running Snipe-IT on
  Ubuntu 16.04 - Apache
• What method you used to install Snipe-IT (install.sh, manual installation, docker, etc)
  install.sh
• What specific Snipe-IT page you're on, and what specific element you're interacting with to trigger the error
  Admin --> Backup --> Create backup

Solution: add php-zip to line 262 in snipeit.sh

[sgovaerts]

As @dmeltzer said, also need to check if Ubuntu 14.04 needs php5-zip or something similar.
I'll see if I have time tomorrow to test it using the install.sh on a ubuntu14.04 host.