Merge pull request #73 from tommyschnabel/Tommy

Tommy
Merge pull request #74 from tommyschnabel/Tommy

Added client support (untested until DB is fixed) for economy/first clas...
Updated Demo builder
suggestion pages
Merge pull request #76 from tommyschnabel/Yu

suggestion pages
Updated Demo builder
Merge branch 'Kenny' of https://github.com/tommyschnabel/SoftwareSystemsEngineeringProject into Kenny
Merge pull request #75 from tommyschnabel/Kenny

Updated Demo builder
Added support for different seat class prices