(refs #279)Add configuration to specify the base URL. But still one problem has not been resolved.
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However, jsdifflib is still not a good approach. It requires dumping all the two text to the browser and do the work there. Instead, maybe the diff should be taken from the git itself and highlighting should be applied on that.

OTOH, word level diff would be good when applicable (like GitHub does).
(refs #279)Fix redirect URL generation in authentication.
(refs #279)Fix TestCase.
Update README.md
Update README.md
Merge pull request #281 from maliayas/patch-1

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