build qwt as static library
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah
using milliseconds for delta_t when calculating speed, supports Suunto Ambit gpx datafiles
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah