Merge pull request #10 from bmbferreira/fix_to_avoid_appending_cli_output_to_aldready_existing_file

Avoid appending cli output to already existing file, replacing it instead

Author: rtfpessoa

src/main/scala/com/codacy/analysis/cli/formatter/Formatter.scala

@@ -50,6 +50,6 @@ object Formatter {
   }
 
   private def asPrintStream(file: File) = {
-    new PrintStream(new FileOutputStream(file.toJava, true))
+    new PrintStream(new FileOutputStream(file.toJava, false))
   }
 }