Add style preferences for scalariform

scalariformStyle.properties

+#Scalariform formatter preferences
+alignParameters=true
+alignSingleLineCaseStatements.maxArrowIndent=40
+alignSingleLineCaseStatements=true
+compactStringConcatenation=false
+compactControlReadability=false
+doubleIndentClassDeclaration=false
+formatXml=true
+indentLocalDefs=false
+indentPackageBlocks=true
+indentSpaces=2
+preserveDanglingCloseParenthesis=false
+preserveSpaceBeforeArguments=false
+rewriteArrowSymbols=false
+spaceBeforeColon=false
+spaceInsideBrackets=false
+spaceInsideParentheses=false
+spacesWithinPatternBinders=true