Add Currency Utils

app/src/main/java/net/pokeranalytics/android/util/CurrencyUtils.kt

@@ -0,0 +1,19 @@
+package net.pokeranalytics.android.util
+
+import net.pokeranalytics.android.model.realm.Bankroll
+import java.util.*
+
+class CurrencyUtils {
+
+	companion object {
+		/**
+		 * return the currency associated with this bankroll
+		 */
+		fun getCurrency(bankroll: Bankroll? = null) : Currency {
+			val currencyCode = bankroll?.currency?.code ?: Currency.getInstance(Locale.getDefault()).currencyCode
+			return Currency.getInstance(currencyCode)
+		}
+
+	}
+
+}