Add plugin for nice bootstrap selects
Extract vote select into helper
Revert "Add bootstrap accessibility plugin. Fixes #710"

It looks like the accessibility plugin is conflicting with the bootstrap-select plugin
So I'm going to remove the accessibility plugin for the time being

This reverts commit f8703d1c62d37bf06c83fa19ccf09fab78b7ea1f.

Conflicts:
	app/assets/javascripts/application.js
	app/assets/stylesheets/application.css.scss
We shouldn't always show the prompt when choosing vote
Turn selects into new selectpicker
Group strong and normal votes in select with explanation. Fixes #577
Make the policy name select wide enough
Sort policies by name in select
Make policy select list searchable
In policies select separate provisional from non-provisional policies
Disable adding the same policy twice to a division