v0.1.0-beta.5

This is a pre-release of the UIO+ browser extension. Currently only works with Google Chrome.

Change Summary:

• Text-to-Speech now using the Self Voicing enactor from Infusion (removed use of clickToSpeech)
• Added additional low contrast themes (Gray on White, Black on Brown, Light Gray on Dark Gray).
• Renamed Text Size to Zoom
• Zoom can decrease
• Removed Dictionary preference