calendar: display hint for empty schedule
calendar: update dropdown options according to url

the url implies the calendar we are going to display.
if it match any of the options, choose it. Otherwise
leaves it blank.
add progress bar for bill page, but...
calendar: add permalink for 'today'
calendar: use absolute path
setup progress bar for bill page, level 1 only
Merge branch 'master' of https://github.com/g0v/ly.g0v.tw
basic search draft

a search form placed in navbar but it does not really post the form
if user press enter. instead of that, it transits state to
'search.target' and moves to search page.

the search page is not functional now, we are going to use ajax
search: basic implementation

it just query summary by one keyword and display results
in horrible ui.
hide bill-progress for now
regen for 48d8546