Update Fri 2.7

See merge request !45

footer change
error fix (html conversion)

Add comments of Daniel in Wed 2.7

See merge request !44

1. add more config options
2. add readme
3. footer format is updated.

1. log logic changed
2. number of cells, lines and bytes are added in the log
3. config_sync is added
4. convert to html is now available
5. change detection algorithm is updated

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