++version to 0.15.0, upping core in package.json to 0.15.0
lower-case linkedidentities and displayname
++verion, 0.15.1, Upping core to 0.15.1, added release notes.
++version, 0.15.2, upping core version to 0.15.2, added release notes.
Merge remote-tracking branch 'remotes/origin/lemmings' into issues/context-menus