Add Apache 2.0 license file.
Add Apache 2.0 license file.

ikalinin/puppetlabs-logentries,tphoney/puppetlabs-logentries,puppetlabs/puppetlabs-logentries,tphoney/puppetlabs-logentries,GeoNet/puppetlabs-logentries,ikalinin/puppetlabs-logentries,puppetlabs/puppetlabs-logentries