paging prototype
refactored
* changed variable into inline
* removed variable no longer use
* extract function from long one function
enabled paging
refactored more.
Merge pull request #16 from haushinka2dx/refactoring-timeline

refactored timeline and conversation
Merge branch 'multicolumn' into starter
Merge branch 'multicolumn' into paging
set paging size to 50(fixed)
changed a little bit.
Merge pull request #18 from haushinka2dx/paging

Paging(fixed 50 items per page)
Merge branch 'multicolumn' into starter

Conflicts:
	js/atmos.js
fixed wrong css for "read more" button of even timelines
Merge pull request #19 from haushinka2dx/paging

fixed paging bug
Merge branch 'multicolumn' into starter