Log window: provide Index and working tree operations (so it can be used as alternate main window) [SG-11648]
The Log window should show Index and working tree and provide (almost) the same operations as the main window. The Repositories view should also be added. The ultimate goal is to make the Log window powerful enough so it can replace the main window for those users which prefer a Log-style Git client over a File Command-style one (as SmartGit's main window currently is).
This is a kind of meta issue and includes:
It's an alternative to:
Customer support service by UserEcho