Update README.md brew instructions
Fix broken links to samples.
Merge pull request #13 from jotomo/patch-1

# By Johannes Mockenhaupt
# Via Johannes Mockenhaupt
* patch-1:
  Fix broken links to samples.
Add @AutoConfigureBefore and simple implementation

[#54597932] [bs-273] Circular view reference for /error
Tweak travis again
Add default /error view for HTML clients

* Add integration tests for /error view
* Add "error" @Bean as default view for HTML

Users may see side effects because now there will be
a ContentNegotiatingViewResolver by default for the
first time in a vanilla Actuator app. Should be
interesting.

[Fixes #54597932] [bs-273] Circular view reference for /error
Update README link text to be M1

Previously the link text for the download of 0.5.0.M1 was labeled as a
SNAPSHOT.

This commit updates the link text to be the correct version.