Version 2.0.3

Merge remote-tracking branch 'origin/master'

Release 2.0.1

Release 2.0.0-alpha

Release 1.5.6

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Added support CentOS

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Code refactoring, added new features

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Integration with XServer XSDL

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Added support x86_64 (amd64)

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Version 1.5.1

Updated status command and ShellEnv class

Former-commit-id: 2237b57