Merge pull request #54 from FWeinb/master

Bugfix release for npm
Fixed `json-encode` mixin to keep `body::before` in the render tree
update version to 1.1.5
Added version to change log.
rebuild single file for v1.1.5
Merge pull request #55 from FWeinb/fix-body-pseudo

Fixed `json-encode` mixin to keep `body::before` in the render tree