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Describe version of Servlet container

Fix link to IIS installation wiki page.

Add note that installation on windows server IIS is possible

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GitBucket 1.6 released.

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Update for 1.4 release.

GitBucket 1.3 released.

Update for 1.3 release.

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Update README.md for 1.2 release.

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Fix typo.

Update README.md for 1.0 release.