0.7.1 Released

[Ray Strode]

This is a minor bug fix release.  It brings:

- Image scaling fixes
- Support for messages in script themes
- Password handling fixes in script plugin
- Coping better with tty settings getting changed during boot up.
- Better animation error handling when animation has 0 frames.
- Fixes when debug mode is enabled.
- Fix crash when label control plugin is unloaded and reloaded
  repeatedly.
- Refined bullet and entry graphics in glow theme