Add FlowLayout

http://www.parleys.com/#st=5&id=2191&sl=3
https://docs.google.com/leaf?id=0B_VKZCqEnHblNDdiY2UxODgtYWNhNS00MmU4LWE4NDMtZjQ1OWI5MDMxZTVh&sort=name&layout=list&num=50&pli=1
BookmarkEntryActivity to bookmark entry!
Change Constants static variables -> static methods
EntryContentWebViewActivity -> BookmarkEntryActivity
UserInfoManager has responsibility to FetchMytags
HatenaEntry -> HatenaBookmark
Just before changing asynctask to Rogojuice
Fix fetch recomment tags issue
:up: BookmarkEntryActivity stability