Upgraded RAML parser to 0.8.51 (#488)

Author: santiagoGQ

interface-impl-v1/pom.xml

@@ -17,7 +17,7 @@
         <formatterConfigPath>../formatter.xml</formatterConfigPath>
         <sonar.jacoco.reportPaths>../target/jacoco.exec</sonar.jacoco.reportPaths>
 
-        <raml.parser.version>0.8.50</raml.parser.version>
+        <raml.parser.version>0.8.51</raml.parser.version>
     </properties>
 
     <dependencies>