Fixed CMake error when CMake older than 2.4.8 is used, there is no 'touch' command in cmake -E, spotted by Adam.
Fixed Config to auto-detect CMake and revert to configure if CMake isn't found.
Fixed install.js on Windows to show errors in running CMake and detect if there were errors.
git-svn-id: http://anope.svn.sourceforge.net/svnroot/anope/trunk@2125 5417fbe8-f217-4b02-8779-1006273d7864
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