Finalize release notes for 5.4.1

Author: marcphilipp

documentation/src/docs/asciidoc/release-notes/release-notes-5.4.1.adoc

@@ -1,7 +1,7 @@
 [[release-notes-5.4.1]]
 == 5.4.1
 
-*Date of Release:* ❓
+*Date of Release:* March 17, 2019
 
 *Scope:* Bug fixes since 5.4.0
 
@@ -25,14 +25,6 @@ repository on GitHub.
   `UNICODE_CHARACTER_CLASS`, no longer cause class `StringUtils` to fail during
   initialization.
 
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓
-
 
 [[release-notes-5.4.1-junit-jupiter]]
 === JUnit Jupiter
@@ -42,14 +34,6 @@ repository on GitHub.
 * Deletion of a temporary directory within a test no longer results in a test failure for
   a temporary directory supplied via `@TempDir`.
 
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓
-
 
 [[release-notes-5.4.1-junit-vintage]]
 === JUnit Vintage
@@ -59,11 +43,3 @@ repository on GitHub.
 * Fix reporting of finish events of intermediate containers with static and dynamic
   children, e.g. Spock test classes with regular and `@Unroll` feature methods in a test
   suite.
-
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓