Fix commit with no gravatar id
Merge pull request #49 from boxuk/fix-avatar-bug-on-changelog

Fix commit with no gravatar id
Release 0.15.0
Revert "Release 0.15.0"
Will let grunt release handle it.

This reverts commit 44413a8b8d163d169cd7f5b2183ff554ee13a387.
release 0.14.1