Small tweaks to README.

Author: TheRealAgentK

.gitignore

@@ -29,6 +29,7 @@ Thumbs.db
 .idea/encodings.xml
 .idea/modules.xml
 .idea/dictionaries
+.idea/markdown.xml
 .idea/markdown-navigator.xml
 .idea/markdown-navigator-enh.xml
 .idea/markdown-navigator

README.md

@@ -16,14 +16,10 @@ This means that the library is now fully compatible with Kotlin Coroutines and p
 We recommend using those if you are using Kotlin in your project.
 As well, the library is still compatible with pure Java Android applications.
 
-Raygun4Android 5.2.0 is currently considered to be the stable release of the provider and is tagged in the repository and supports Android 5+.
-
-Raygun4Android 4.1.1 is functionally equal to 4.1.0, which was unfortunately deployed to Maven Central in an incomplete state. Please use 4.1.1 instead.
+Raygun4Android 5.2.0 is currently considered to be the stable release of the provider and is tagged in the repository and supports Android 6+.
 
 The `develop` branch reflects ongoing work on the version 5 line as tagged snapshots and only support
 
-The `master` branch used to be the branch for ongoing work and releases until `4.1.0-alpha1`. In the future, the `master` branch will reflect release builds.
-
 If you want the *very old* stable version 3.0.6 please check out the change set labelled with `v3.0.6` and go from there.
 
 ### Requirements