ImportPayout cc eval code and alot of general cc polish. tests to write

src/cc/eval.h

@@ -0,0 +1,18 @@
+#ifndef CC_EVAL_H
+#define CC_EVAL_H
+
+#include "cryptoconditions/include/cryptoconditions.h"
+#include "primitives/transaction.h"
+
+/*
+ * Test validity of a CC_Eval node
+ */
+bool EvalConditionValidity(const CC *cond, const CTransaction *tx, int nIn);
+
+/*
+ * Test an ImportPayout CC Eval condition
+ */
+bool CheckImportPayout(const CC *cond, const CTransaction *payoutTx, int nIn);
+
+
+#endif /* CC_EVAL_H */