Merge pull request #58 from haushinka2dx/optimize-timeline-management

optimized the method of manage timeline
Merge pull request #59 from haushinka2dx/removable-timeline

Removable timeline
changed api from search to timeline to fix not-related message is shown
on each timeline.
Merge pull request #61 from haushinka2dx/fix-not-related-message-shown2

changed api from search to timeline to fix not-related message is shown on each timeline
Merge branch 'master' into search-timeline