Changed arrow-up/down icon from text to glyphicons.
Changed arrow-left/right icon from text to glyphicons.
Changed item-add-link from text to glyphicons.
Merge branch 'master' of github.com:ESTCOSMO/mitsumottaro into change-dashbord-design
Merge branch 'master' of github.com:ESTCOSMO/mitsumottaro into change-dashbord-design
Changed new item icon.
Merge pull request #28 from irasally/change-dashbord-design

ダッシュボードのデザイン調整