Update build files for new release

Author: cogmission

build.gradle

@@ -4,15 +4,15 @@ apply plugin: 'eclipse'
 apply plugin: 'signing'
 
 group = 'org.numenta'
-version = '0.6.6-SNAPSHOT'
+version = '0.6.6'
 archivesBaseName = 'htm.java'
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
 jar {
     manifest {
-        attributes 'Implementation-Title': 'htm.java', 'Implementation-Version': '0.6.6-SNAPSHOT'
+        attributes 'Implementation-Title': 'htm.java', 'Implementation-Version': '0.6.6'
     }
 }
 

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>org.numenta</groupId>
 	<artifactId>htm.java</artifactId>
-	<version>0.6.6-SNAPSHOT</version>
+	<version>0.6.6</version>
 	<name>htm.java</name>
 	<description>The Java version of Numenta's HTM technology</description>