Updated README
Redesigned categories view
Added "no categories" label
Converted task view/create pages into flickables
Fixed bug in task page when category is empty
Initial work on convergence
Marked current task in tasks sidebar
Added home page
Fixed home page showing/hiding on changing aspect
Added category buttons to desktop mode layout
Fixed missing toolbar buttons in task view page
Simplified page stack management
Improved tasks overview
Hid completed tasks from overview
Moved tasks without a category into Uncategorized
Redesigned UI for #11
Added category counts to category list items
Removed display of category count when zero
Fixed bugs caused by not re-creating the task page each time
Added animation to quick add toolbar in home page