build: libmetrics: remove obsolete special autotools handling, cleanup
build: libmetrics: remove obsolete special autotools handling, cleanup

the use of a custom path for the autotools to be used has been 
deprecated for a while as shown by the broken snapshots.

remove extra spaces and add svn property tracking to complete CVS 
migration as well


git-svn-id: 27e0aca8c7a52a9ae65dfba2e16879604119af8c@1400 93a4e39c-3214-0410-bb16-828d8e3bcd0f

fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia