Merge branch 'master' into develop
got rid of participant viewmodel
remove ugly delete method on first step of main page
got rid of food viewmodel
remove ugly delete method on add participant page
created base class for all models
modificate existing models to support notification on property changed
changed logo
create datacontext for database
added database initialization to app
updated IParticipant
implemented loading users from contacts
implemented functionality to store participants in database
load user contacts on start and write them to database
Merge branch 'feature/get_participants_from_user_contacts' into develop
added app bar to add participant page
updated related viewmodel
added transition animation
added dynamic appbar to main page but unlocked all pivots
now app gets images from user contacts and save them to storage
added extension class
added bitmap convertor
made add participant list little bit prettier
groped participants in list on add participant page
added images for users who hasn`t any image
added styles for selected participant button
added icons for food
stylized food selector
added app bar to page with food
sorted food elements in list picker
small refactoring
some cleanup in add food page
change layout for add participant page
updated view of participants page
improved ux
fixed bug with returning from tombstone state