UT-3726 Fix package validation warnings (#549)

* Fix package validation errors

* code review fix

Author: vkovec

CHANGELOG.md

@@ -223,7 +223,7 @@ FIXES
 
 * Fixed skinned mesh bone updates.
 
-## [1.5.0]
+## [1.5.0] - 2018-05-22
 
 NEW FEATURES
 
@@ -236,7 +236,7 @@ FIXES:
 
 * The DCC integration plug-ins now work with the Package Manager.
 
-## [1.4.0]
+## [1.4.0] - 2018-04-23
 
 NEW FEATURES
 
@@ -256,7 +256,10 @@ KNOWN ISSUES
 * When converting an existing FBX file, the FBX Filename and FBX Export options are ignored (but not greyed out).
 * When converting an existing Prefab, the Prefab Filename is ignored (but not greyed out).
 
-## [1.3.0f1] - 2018-04-17
+## [1.3.0] - 2018-04-17
+NOTES
+* This is the last Asset Store version. It is also known as 1.3.0f1.
+
 NEW FEATURES
 * `Unity3dsMaxIntegration`: 
 	* Allows multiple file import.

LICENSE.md

@@ -1,4 +1,4 @@
-FBX for Unity copyright © 2018 Unity Technologies ApS
+com.unity.formats.fbx copyright © 2020 Unity Technologies ApS
 
 Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License).