'Schedule' section iPhone fixes.
Fix modals height at iPhone.
Remove exhibition event from second conference day.
Exception for second conference day.
Merge branch 'feature/278-exhibition-changes' into develop
Merge branch 'feature/272-iphone-schedule' into develop
add sync with timepad
change sync period
add rake job type
add log file for debug
add require whenever for staging
Merge branch 'release/v21'