Changed Charts to TimeSeries in order to get axis with dates on it.
improved groupselection: user can set groupNames
Merge branch 'master' of https://github.com/Jather90/AMOS_proj5 into develop
reverted accidental mergecommit
limit groupNames to characters and numbers.
Fixed bug with too narrow bar width of barcharts.
added layout planning
small fixes
Merge branch 'develop' of https://github.com/jather90/AMOS_proj5 into develop
build war file