Cache directory activities and do not compute the backfilling in the status
Close cursor + Remove old references to @cursor (it's @state.cursor now) -- Related to #1569
Merge branch 'next' into michel_1662_directory_activities
Merge branch 'michel_1569_close_cursor' into next
Check for boost in ./configure

Review 1083 by @tryneus
Closes #1699
Fix v8 api test and tweak makefile

Review 1084 by @mlucy
Remove old migration script

Review 1085 by @mlucy
Closes #1749
Merge branch 'next' into sam_97_alt