Dash for R v0.3.0

Added

• Support for config-aware relative paths #172
• Support index customization and index templates #168
• Application titles may be set using the app$title() method, for parity with Dash for Python's app.title syntax #168

Changed

• Dash for R now requires dashCoreComponents v1.8.0
• Dash for R now requires dashTable v4.6.0
• Automatically set routes and requests pathname prefixes if DASH_APP_NAME environment variable has been set #165

Deprecated

• Application titles can no longer be set using name parameter, which is now deprecated with a warning, for parity with Dash for Python #168
• Removed DASH_HOST and DASH_PORT, Dash for R now respects HOST and PORT #167