Update index.test.js, examples/all-options.js, examples/log-to-file.js,...

See merge request !1

# Conflicts:
#   README.md

Resolve "replace request with got"

Closes #1

See merge request general/log!1

add got
replace request with got
change to 3.0.0
patch npm packages
remove graylog
remove and declare graylog in readme