Matt Brictson e6ddd93ece Make all SCMs inherit from SCM::Plugin ... This makes it much easier (no hacks needed) to determine whether the user has installed an SCM plugin: simply check that the plugin responds to `scm?` and that it returns true. A new SCM::Plugin base class makes it easy to write such a plugin. This commit also updates the website docs that explain how to write SCM plugins so that they refer to this new technique.		2016-10-26 17:45:25 -07:00
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index.markdown	Make all SCMs inherit from SCM::Plugin	2016-10-26 17:45:25 -07:00