Makefile.in: Changes to build with alternate build systems.

Makefile.in: Changes to build with alternate build systems.
cet_util.h: Likewise.
defs.h: Changes for alternate build systems. Merge from trunk for
  trkseg support. Add global_traits.  Add power.
configure.in: Bump version number to -beta20090708b.
configure: Regenerated.
gbversion.h: Regenerated.
exif.c: Changes for alternate build system.
gbfile.h: Likewise
gbsleep.c: Likewise
vecs.c: Move track to minimal filters.
garmin.c: Merge from trunk for trkseg support.
gbser_win.c: Explictly use CreateFileA.
gpx.c: Merge from trunk for trkseg support.
gtrnctr.c: Add support for power
kml.c: many new features for Earth 5.2: trkseg in LineString tracks, Power,
  extended data, gx:Track, geocaching updates
testo: update with new KML test cases.
trackfilter.c: Add "segment" option.
queue.h: Merge from trunk for trkseg.
waypt.c: Add traits handling.