Add replacement intentions for operator functions

Add intentions for replacing attribute calls that correspond to
overloadable operators with their respective operators.

This commit includes call replacements for:
 * Binary Infix Operators: plus, minus, times, rangeTo, mod, div
 * Unary Prefix Operators: plus, minus, not
 * Array Index Operator: get
 * In Operator: contains

idea/testData/intentions/attributeCallReplacements/replaceBinaryInfixIntention/acceptableVararg2.kt

@@ -0,0 +1,7 @@
+fun test() {
+    class Test{
+        fun plus(vararg b: Int, c: Int = 0) : Int = 0
+    }
+    val test = Test()
+    test.p<caret>lus(1)
+}