fixed filter.h missing std::prefix
clean date handling with milliseconds in data-visualizer
created measure encapsulating class
fixed FormattedDate to be used with Measure
added handling a set of measures more efficiently
handling measures' json output formatting more efficiently
integrating measures' json output
update filtering algorithms to new measure-containing types
Merge branch 'master' of https://github.com/julienCXX/fablab-universal-sensor
unification of filter's parameters
dummy application settings for data visualization
updated Makefile for Qt and libconfig linking