Show only the year in a mid-year provider Proe instead of the date range

Refactor proe.js to get rid of the proeType parameter. Create functions for
each proe type we have.
Add checkbox to show only own classifications for normal users
Fix opening program boxes at public search

- user isn't defined when using public search. Retrieve it safely.
Extract withinDateRange to utils
Export classificationUtils.ageAsText
Harmonize datepicker look&feel
Trim runtimes
Server-side for classification reports
Client-side of reporting, work in progress
Basic provider statistics
Hide provider billing under rotating triangle
Add 'no-results'-text to provider mid-year billing
Add count of k18 providers to provider statistics
Mark KAVI-accounts as such to help in reporting
Report duration of classifications done by KAVI
Fix shared code trying to use jQuery
Remove training users from Account.users
Merge pull request #55 from kavi-fi/reporting

Reporting
Merge pull request #54 from kavi-fi/own-classifications

Add checkbox to show only own classifications for normal users
Fix global var