gromacs: update 5.1.4 bottle for Linuxbrew.
gromacs: update 5.1.4 bottle for Linuxbrew.

heuermh/homebrew-science,dpo/homebrew-science,quantumsteve/homebrew-science,philippbayer/homebrew-science,pditommaso/homebrew-science,maplesond/homebrew-science,andrewjpage/homebrew-science