Add pre-loading scaffolding to sequences
Finish scaffolding for pre-loading of sequences
Add some flexibility in registering callbacks while pre-loading
AutoListQuestionViewAdapter uses pre-loading
PageActivity and DailySequenceService pre-load sequences
Also add user possibilities after pre-loading
Remove unused layout
Merge pull request #375 from daydreaming-experiment/feature/issue-365-sequence-preload

Feature/issue 365 sequence preload