0.8.0

This is a fairly important release.  It brings:

- Support for multiple rendering backends: old frame-buffer, X11, and drm
- Multihead support when using drm renderer
- More robust and seemless hand off between plymouth and X
- Various script language enhancements
- Improved image scaling and rotating routines
- A man page
- A daemon configuration file
- Dropping libpng dependency on minimal installs; split libplybootsplash up into multiple libraries
- Improved VT handling; support running plymouth on VT7 instead of VT1
- Improved plymouth-set-default-theme interface
- Better support for plymouthd getting accessed by multiple asynchronous clients
- More robust terminal handling
- various bug fixes
- various api additions and improvements
- more debugging messages

Contributors to this release were:
Ray Strode, Charles Brej, Scott James Remnant, Adrian Glaubitz, Frederic Crozat, and Richard Maw