Initial commit. Version 2.1.1
Implemented ability to add two types of sessions: common and group
Removed double info about no attendance records
Page "Update attendance" (attendances.php) considers two types of sessions
Fixed bug in attendances.php
Don't display grade and percent when module grade option is "No grade"
Backup/restore consider types of sessions
Page "Report" (report.php) considers two types of sessions
Some interface improvements (sessions filtering by different criteries) for manage.php, report.php, view.php
Forgotten en_utf8 strings
Tried to fix bug with dates and calendar (http://github.com/andreev-artem/mod_attforblock/issues#issue/1)
Fixed bug with redirection on page attendances.php from block
For redirecting from the block is taken into account the situation when the current time are a few sessions
Added ability to filter sessions by type on page manage.php
Prepare for publishing: changes and help
Fixed bug with first after login access to attendance
Fixed bug with first access to attendance in each course
Fixed bug with printing attendance table for single user
Fixed bug with using filter controls on page with attendance report for single user (in teacher mode)
On Report page untaken students sessions now appear as "?" (not "-")