[WebUI][EventView] disable auto refresh when users visit in the second page onward
[WebUI][LatestView] keep current page during auto refresh is enabled
[WebUI][TriggersView] keep current page during auto refresh is enabled
[WebUI] fix bug actual content dose not keep when page is auto refreshed
Merge pull request #823 from project-hatohol/issue-822-4

[WebUI] Auto refresh strategy fix