Similar change to r483553 to help developers work in parallel on win32, install

default command-line build to \Apache2x directory, and name service Apache2.x
(which means this doesn't need to change over and over as trunk becomes 2.5, 2.7 etc.)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@483555 13f79535-47bb-0310-9956-ffa450edef68