Release: v6.4.1

## Validator Changes

* Support authentication for terminology servers (see https://confluence.hl7.org/display/FHIR/Using+fhir-settings.json)
* Fix issue where valdiator not retaining extension context when checking constraint expressions in profiles
* Validate min-length when found in extension
* Correct bug parsing json-property-key values with meant validation failed
* Fix problem validating json-property-key value pairs
* Fix special case r5 loading of terminology to fix validation error on ExampleScenario
* Improve handling of JSON format errors
* Fix bug where extension slices defined in other profiles are not found when processing slices based on extension
* Validate fhirpath expression in slice discriminators
* Fix slicing by type and profile to allow multiple options per slice
* List measure choices when a match by version can't be found
* Check server metadata when executing terminology test cases

## Other code changes

* More work on code generation for profiles
* Render min-length extension on profiles
* Clone SQL on FHIR engine to R4, and update FHIRPath engine based on R5 current code
* Update SQL on FHIR engine to allow push as well as pull
* Change R5 tx server to use http://tx.fhir.org/r5 (instead of /r4)
* Update output from tx-tester to include release ready statement
* Fix rendering of Logical Models for polymorphic elements, and rendering target profiles with versions
* Render contained resources in List resource
* #1790 - Fix versionFromCanonical returns system instead and systemFromCanonical returns version
***NO_CI***

org.hl7.fhir.convertors/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.dstu2/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.1-SNAPSHOT</version>
+		<version>6.4.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.dstu2016may/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.1-SNAPSHOT</version>
+		<version>6.4.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.dstu3/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.r4/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.1-SNAPSHOT</version>
+		<version>6.4.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.r4b/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.1-SNAPSHOT</version>
+		<version>6.4.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.r5/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.1-SNAPSHOT</version>
+		<version>6.4.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.report/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.utilities/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.validation.cli/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.validation/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.1-SNAPSHOT</version>
+        <version>6.4.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

pom.xml

@@ -14,7 +14,7 @@
     HAPI FHIR
     -->
     <artifactId>org.hl7.fhir.core</artifactId>
-    <version>6.4.1-SNAPSHOT</version>
+    <version>6.4.1</version>
     <packaging>pom</packaging>
 
     <properties>