0.9: Italics and more

This is a major update so YMMV. Please report any issues.

• Converted to UFO format and updated base fonts to benefit from work done on Source Code Pro
• _Italics!_
• Greek & Cyrillic script support
• Better powerline symbols
• Other things that can be seen here: (https://github.com/adobe-fonts/source-code-pro/releases/tag/2.010R-ro%2F1.030R-it)
• Added tags that enable support for some IntelliJ IDEA Builds