Added main view controller with button to open camera screen
Added methods to work with camera
Side menu added
Side menu corrected
added buttons view and toolbar view
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added blocks logic to ActionSheet
merging picking photo with side menu
added stubbed feed
merged with scherbakov and logot
syntax fixes (gavryushov)
syntax fixed (pavlenko)
fixed according to Yury requirements (gavryushov)
fixed according to Yury requirements
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