added external app bootstrap3
added menu auto-generation with link activation and setup browser package manager script
refactored menu to be generated instead of hardcoded
refactored menu to show icons instead of text
updated list and form buttons to bootstrap3 style
refactored menu to show item name and icon
added task detail view content
refactored and updated the design
updated tag template
updated task template
refactored tags to custom written app

instead of using django-taggit
added horizontal filtering of tags to task and project admins