Addresses #498, Make the word "Forms" and its symbol in the top bar a link to the forms list
Tighten up design of header bars and buttons
Update sub header transition
Addresses tp358, hides left nav on nav item click
Update select one menu item icon
Addresses #496, remove Choose Template, add Import from Excel
Merge pull request #104 from kobotoolbox/tp496

Addresses #496, remove Choose Template, add Import from Excel button