Update pom.xml and changelog.txt for 1.5.00 release

Changelog.txt

@@ -7,7 +7,7 @@ Key:
   ! Change
   - Removal
 
-Version 1.5.00-dev
+Version 1.5.00
  + Added Podzol & Red Sand to Excavation
  + Added Hardened Clay, Stained Clay, and Packed Ice to Mining blocks
  + Added Acacia and Dark Oak to Woodcutting blocks

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.gmail.nossr50.mcMMO</groupId>
     <artifactId>mcMMO</artifactId>
-    <version>1.5.00-SNAPSHOT</version>
+    <version>1.5.00</version>
     <name>mcMMO</name>
     <url>https://github.com/mcMMO-Dev/mcMMO</url>
     <issueManagement>