cassandra 2.2.4
cassandra 2.2.4

Closes #1098.

Signed-off-by: Mike McQuaid <a17fed27eaa842282862ff7c1b9c8395a26ac320@mikemcquaid.com>

jimhe/homebrew-versions,UniqMartin/homebrew-versions,DomT4/homebrew-versions,heuermh/homebrew-versions,Ashton-W/homebrew-versions,coeligena/homebrew-verscustomized