Speed up Groovy startup time

Current versions

groovyserv requires the following formulae to be installed:
go 1.10 Open source programming language to build simple/reliable/efficient software
gradle 4.6 Build system based on the Groovy language
groovy 2.4.14 Java-based scripting language

Recent formula history

ilovezfs groovyserv 1.1.0
Dominyk Tiller groovyserv: fix breaking typo
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Mike McQuaid groovyserv: httpsify the homepage.
Mike McQuaid groovyserv: mark bottle as relocatable.

Formula code at GitHub