Imperative

• Enhancement: Added a new class named ConvertV1Profiles to enable other apps to better convert V1 profiles into a current Zowe config file.
  • Refactored logic from convert-profiles.handler and ConfigBuilder.convert into ConvertV1Profiles.convert.
  • Removed ConfigBuilder.convert.
  • Replaced IConfigConvertResult with IConvertV1Profiles (which contains IConvertV1ProfResult).
  • Renamed class V1ProfileConversion (formerly known as ProfileIO) to V1ProfileRead for consistency.
    • Marked class V1ProfileRead as @internal.