This is a plugin that can be imported to the server which contains 2 methods can be used in other plugins

void sendTitle(String title, String subTitle, int fadeInTicks, int stayInTicks, int fadeOutTicks, Player... players)

void sendActionbar(String message,Player... players)

Example:
TSAPI.sendActionbar("bluh",player);

This is a resource made for minecraft version 1.8

Future features:
Commands to execute these actionbars and titles