Add scala and sbt support

ftplugin/scala.xpt.vim

@@ -0,0 +1,29 @@
+
+XPTemplate priority=lang
+
+XPTvar $BRif ' '
+XPTvar $BRel \n
+XPTvar $BRloop ' '
+XPTvar $BRfun ' '
+
+XPTinclude
+    \ _common/personal
+    \ java/java
+
+XPT cake hint=Cake\ Pattern
+XSET trait|def=Some
+XSET derived|def=Real
+trait `trait^Component {
+	trait `trait^ {
+		`body^
+	}
+
+	val `trait^SV('(.)', '\l\1', '')^^: `trait^
+}
+
+trait `derived^`trait^Component extends `trait^Component {
+
+	override lazy val `trait^SV('(.)', '\l\1', '')^^ = new `trait^ {
+		`body2^
+	}
+}