Add #134 to v1.5.1 entry; fix v0.1.0 link

CHANGELOG.md

@@ -10,6 +10,10 @@ Extending the adopted spec, each change should have a link to its corresponding
 
 ## [v1.5.1] - 2019-05-09
 
+### Added
+
+- The required roles are documented in the README. [#134]
+
 ### Fixed
 
 - The `forseti-server-vm-public-ip` output and the
@@ -133,6 +137,7 @@ Extending the adopted spec, each change should have a link to its corresponding
 - This is the initial release of the Forseti module.
 
 [Unreleased]: https://github.com/terraform-google-modules/terraform-google-forseti/compare/v1.5.0...HEAD
+[v0.1.0]: https://github.com/terraform-google-modules/terraform-google-forseti/releases/tag/v0.1.0
 [v1.0.0]: https://github.com/terraform-google-modules/terraform-google-forseti/compare/v0.1.0...v1.0.0
 [v1.1.0]: https://github.com/terraform-google-modules/terraform-google-forseti/compare/v1.0.0...v1.1.0
 [v1.1.1]: https://github.com/terraform-google-modules/terraform-google-forseti/compare/v1.1.0...v1.1.1
@@ -146,6 +151,7 @@ Extending the adopted spec, each change should have a link to its corresponding
 
 [#146]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/146
 [#137]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/137
+[#134]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/134
 [#132]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/132
 [#131]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/131
 [#126]: https://github.com/terraform-google-modules/terraform-google-forseti/pull/126