Merge branch 'release/1.6.1+1'

[1.6.1+1](v1.6.1...v1.6.1+1) - 2017-07-31

Notes
This release aims to distribute passbolt-1.6.1 and include most relevant community contributions
The most notable change from user perspective is the switch from lowercase to uppercase environment variables. Users will
have to review their previous scripts and update any environment variable to match the new naming convention. Please refer to PR#39

Added
- PASSBOLT-2276: ENV-Variable uppercase convention PR[#39](#39)
- PASSBOLT-2279: Allow Config files to be symbolic links PR[#32](#32)
- PASSBOLT-2278: Allow no db environment variable setting PR[#20](#20)
- PASSBOLT-2280: On MacOS systems note you should access it using https PR[#35](#35)

Fixed
- PASSBOLT-2159: Added registration env support PR[#37](#37)

CHANGELOG.md

@@ -4,7 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased](https://github.com/passbolt/passbolt_docker/compare/v1.6.1...HEAD)
 
-## [1.6.1-1](https://github.com/passbolt/passbolt_docker/compare/v1.6.1...v1.6.1-1) - 2017-07-31
+## [1.6.1+1](https://github.com/passbolt/passbolt_docker/compare/v1.6.1...v1.6.1+1) - 2017-07-31
 
 ### Notes
 This release aims to distribute passbolt-1.6.1 and include most relevant community contributions