v0.3 Time Sheet Improvements

Deployed to production 18th Nov. 2016.

Important changes:

• Add buttons for deleting / duplicating work days on time sheet detail view (displayed on hover)
• Better display of time sheet information such as status in the main panel instead of the sidebar.
• Use datepicker for month selection when creating a new time sheet
• Beautify sidebars. Introduce separators for menu items.
• Bootstrap-style errors in time sheet detail view. Table has hover effect.

All commits: v0.2...v0.3
All tickets: RC3 Milestone