Added the information for the changelog.

Fixed publish step in Makefile.

Start of the SignatureHelp work, moving to next release.

Changelog updated for v0.15.0 release.

Pick a better name for the zip file.

Got rid of ok.sh as I couldn't get it working.

Fixed a stupid bug in the Makefile for debug builds.

Fixed rpath to be executable_path

Up the version to 0.12.0

Fixed the offset calculation when at the end of the document.

Switched to sending sourcekit types directly which fixes an encoding issue.

Fixed the Xcode path, was missing usr/lib