v0.25.0

This release regenerates all services except for Visual Recognition. It includes considerable updates to the function documentation and model serialization/deserialization, although they should not be breaking changes for users.

This release also includes the following new features and bug fixes:

• Discovery: Adds support for document segmentation
• Natural Language Classifier: Adds support for classifyCollection
• Speech to Text: Adds acoustic model customization
• Speech to Text: Adds enums for BaseModelName
• Tone Analyzer: Fixes a bug with the tones list for the tone function
• Tone Analyzer: Adds contentLanguage parameter to toneChat
• Tone Analyzer: Adds plain-text and HTML variants of the tone function
• Tone Analyzer: Removes unused content-type parameter from the JSON variant of the tone function