Defensively check that manifest has 'name' property
Defensively check that manifest has 'name' property

Without this fix, an error is thrown if `package.json` has no `name`
property.

simonzack/SublimeLinter3,jasonrhaas/SublimeLinter3,zenlambda/SublimeLinter3,smanolloff/SublimeLinter3,ikappas/SublimeLinter3,zenlambda/SublimeLinter3,simonzack/SublimeLinter3,SublimeLinter/SublimeLinter3,paulirish/SublimeLinter3,SublimeLinter/SublimeLinter3,paulirish/SublimeLinter3,jasonrhaas/SublimeLinter3,smanolloff/SublimeLinter3,ikappas/SublimeLinter3