Found bug in mergeWeightInfos that was causing crashes when size of the weight and fat arrays didn't match.  Was causing crash on flxtest user 67's fitbit weight data from 2013-06-09, which in turn caused update to never complete successfully.
Merge branch 'development' of https://github.com/fluxtream/fluxtream-app into upstream_development
Merge branch 'development' of https://github.com/fluxtream/fluxtream-app into upstream_development