loose the version contraint for iana-afn-safi

the iana-af-safi module is currently dated as 2013-07-04. This is the latest version for af-safi itef draft.

./yangtools/model/iana/iana-afn-safi/src/main/yang/iana-afn-safi@2013-07-04.yang

SingleFeatureTest in odlparent puts a version contraint of greater than 2014, and it runs into the following test error:

<testcase name="installFeature" classname="installFeature(org.opendaylight.odlparent.featuretest.SingleFeatureTest)[repoUrl: file:/home/bdo/odl/bgpcep/features/extras/target/classes/features.xml, Feature: odl-bgpcep-dependencies 0.5.0-SNAPSHOT]" time="14.593">
<error message="Unresolved constraint in bundle org.opendaylight.bgpcep.util [111]: Unable to resolve 111.0: missing requirement [111.0] osgi.wiring.package; (&(osgi.wiring.package=org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704)(version>=2013.7.0)(!(version>=2014.0.0)))" type="org.osgi.framework.BundleException"><![CDATA[org.osgi.framework.BundleException: Unresolved constraint in bundle org.opendaylight.bgpcep.util [111]: Unable to resolve 111.0: missing requirement [111.0] osgi.wiring.package; (&(osgi.wiring.package=org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704)(version>=2013.7.0)(!(version>=2014.0.0)))
at org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:955)
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:942)
at org.apache.karaf.features.internal.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:477)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeatures(FeaturesServiceImpl.java:435)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:375)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:364)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:347)
at Proxy2e4b5728_150f_4198_a4a0_23ad6bc5f869.installFeature(Unknown Source)
at org.opendaylight.odlparent.featuretest.SingleFeatureTest.installFeature(SingleFeatureTest.java:205)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:68)
at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:37)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)