Aim

- Add learning rate update tracking (gorarakelyan)

- Add autocommit feature to push command: `aim push -c [-m <msg>]` (gorarakelyan)
- Add cli status command to list branch uncommitted artifacts (gorarakelyan)
- Add an ability to aggregate duplicated nodes within a loop (gorarakelyan)
- Remove gradient break issue when profiling output nodes (gorarakelyan)

- Enable profiler to track nodes inside loops (gorarakelyan)
- Ability to disable profiler for evaluation or inference (gorarakelyan)

- Set minimum required python version to 3.5.2 (gorarakelyan)

- Downgrade required python version (gorarakelyan)

- Edit README.md to pass reStructuredText validation on pypi (gorarakelyan)