DCD 0.5.0 beta

[Brian Schott via Digitalmars-d-announce]

https://github.com/Hackerpilot/DCD/tree/v0.5.0-beta3

Changes from 0.4.0:
* Include current git commit hash in --version output
* Update libdparse and msgpack dependencies
* Fix several crashes
* Remove Textadept module. It is now at 
https://github.com/Hackerpilot/textadept-d
* Added basic regression testing scripts
* Fix #117
* Fix #177
* Fix #179
* Fix #176
* Fix #178
* Fix #182
* Fix #184