Merge pull request #405 from wansoon/issue-bugs

email 노티시 sender 이름 추가
ui-enhancement: profile page, issue view
profile-view: show 'empty message' at each tab
Merge pull request #391 from nforge/ui-enhancement

Ui enhancement: profile page, issue view
logo: change hive logo to yobi text font
fix: wrong project count for empty message
fix #406 : change hive variable to yobi
fix #409