Changelog for CodeMetrics dart package

For a high level overview of what CodeMetrics is, please read README.md

v1.0.0-alpha+1

Fixed a typo in the name of executable. It spells codemetrics now. Command line usage: pub global run codemetrics or dart-codemetrics if Pub's bin folder is added to PATH
Update dependencies to be compatible with 2.0.0-dev.67.0

v1.0.0-alpha - Prepping for pub release

v0.0.2 - Dart 2 updates

v0.0.1 - Initial release

Please keep in mind, this is the first preview release of the software, things might break or might not function as intended

support for calculating cyclomatic complexity of individual files or entire packages
support for configuration options for what is included in the complexity calculations
- predefined configurations with similar settings to already known tools such as CodePro
export detailed and aggregated statistics to JSON
- provides per-method/per-function detailed analysis
- provides an aggregated statistics for all the methods/functions