Make APACI even a little bit more robust and friendly:

- make sure the user can also say --prefix=/path/ instead
  of the expected one --prefix=/path. Same for all other
  path options.

- allow relative path for the auto-generated LoadModule
  directives because mod_so already supports this.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80755 13f79535-47bb-0310-9956-ffa450edef68