v2.0.0-develop.4

Improvements

• More warnings are silenced
• Don't use console colour if running in XCode
• More compile time optimisations

Fixes

• CATCH_CONFIG_FAST_COMPILE now now builds again
• explicit constructor in reporter base class
• Many fixes for building in Objective-C context
• Fixed text formatting with multiple consecutive newlines (from Clara)

Breaking changes

• Removed deprecated matcher utility functions Not, AllOf and AnyOf.
  • They are superseded by operators !, && and ||, which are natural and do not have limited arity
• No longer accept non-const comparison operators