Revert "osd/OSDMap: do not create erasure rule by default"

This reverts commit 08fa34d94e40f2f7230dec4dabad72107cdee27b.
vstart.sh: add erasure plugin directory

Signed-off-by: Samuel Just <sam.just@inktank.com>
vstart.sh: add erasure plugin directory

Signed-off-by: Samuel Just <sam.just@inktank.com>
PG.h: fix init_primary bug
fix OSD::handle_pg_query null response
fix osd_types spgt output
osd_tupes: improve pg_notify_t error
osd_tupes: improve pg_notify_t error
osd_tupes: improve pg_notify_t error
working
MOSDPGNotify: fix pg_notify_t encoding

Signed-off-by: Samuel Just <sam.just@inktank.com>
MOSDPGInfo: fix pg_notify_t encoding

Signed-off-by: Samuel Just <sam.just@inktank.com>
PG: fix needs_Recovery
PG: fix needs_Recovery
fix needs_recover
fix should send op