* js/rename:
Implemented file path based tie breaking to exact rename detection
Added more test cases for RenameDetector
Added very small optimization to exact rename detection
Fixed Misleading Javadoc
Added file path similarity to scoring metric in rename detection
Fixed potential div by zero bug
Added file size based rename detection optimization
Create FileHeader from DiffEntry
log: Implement --follow
Cache the diff configuration section
log: Add whitespace ignore options
Format submodule links during differences
Redo DiffFormatter API to be easier to use
log, diff: Add rename detection support
Implement similarity based rename detection
Added a preliminary version of rename detection
Refactored code out of FileHeader to facilitate rename detection
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