Making "markseen" instructions more precise
CONTRIB-5478 Timezone issue in overview tab
CONTRIB-5496 Restore: Handle inconsistent data from pre-1.9 DB scheme
fix bug when was impossible to overlap conflict in the "remote" scheduler
code clean-up
Merge branch 'master' of git://github.com/bostelm/moodle-mod_scheduler
Merge branch 'master' into 06-new_ignore-owerlap_method-v27