Add changes necessary for supporting SDFEconomy
Merge pull request #331 from omwah/sdfeconomy

Add changes necessary for supporting SDFEconomy
update for new timertask scheduling. cancel all tasks when the plugin is
shutdown.
Merge branch 'master' of https://Sleaker@github.com/MilkBowl/Vault.git
Implemented getCurrencyNameSingular() and getCurrencyNamePlural() for MineConomy using default currency.
Merge pull request #337 from YLivay/master

Implemented MineConomy getCurrencyName() methods