Move analytics to "ANALYTICS" environment variable
Move analytics to "ANALYTICS" environment variable

Generate analytics tracking if there’s an ENV variable called
ANALYTICS.

abrophy/libraries.io,librariesio/libraries.io,librariesio/libraries.io,tomnatt/libraries.io,tomnatt/libraries.io,librariesio/libraries.io,librariesio/libraries.io,abrophy/libraries.io,tomnatt/libraries.io,abrophy/libraries.io