added accordion for time selection
ui changes

added tooltip for times accordion
replaced custom tabs with angular-ui bootstrap tabs
fixed error with last check-in

had forgotten to remove references to old tabs directive from
show_selector.js (main js file)
added tooltip to time selection rows
minor ui changes

played with trying to add/change image when accordion group
opened/closed

removed unused directive views
moved accordian template to haml partial
added selection_table template
passing group content for accordian in as argument

removed hard-coded selection table from accordian template
fixed time selection page to pass in selection_table html to accordian
template

WARNING: the haml call within a haml call is confusing - need to clean
that up somehow