v1.1.4

First tagged github release (v1.1.4).

New features:

• Opacity property
• Transparent background color support (format RRGGBBAA)
• Short and color format (RGB)
• Anti aliasing
• Relative file path support
• Tooltip showing how the file path was resolved in case of failure

Fixes:

• F# language support (was broken due to missing "code++.F#" content type attribute)
• Fixed URL image references (now downloaded to temp directory)