sync store before closing tlog
Merlin file
add failing drop_master_while_maintenance
make sure lease expired event keep forever flowing through the state machine
Enable compiler warnings and fix resulting errors
prevent slave from ignoring duplicate message from master
Remove unneeded merlin dependencies
Merge pull request #454 from mark-christiaens/1.6_merlin

1.6 merlin
Add `B _build/src/node` to `.merlin`
Merge pull request #448 from lienboe/1.6.fix_warnings

Enable & fixup compiler warnings.
a bit more info logging
Merge #450 branch 'incubaid-sync-store' into incubaid-1.6

Conflicts:
	src/node/local_store.ml
	src/node/mem_store.ml
Logging more Paxos at info level
Merge branch 'incubaid-1.6' into masterless

Conflicts:
	src/node/mem_store.ml
	src/paxos/slave.ml
	src/system/drop_master.ml
comment from PR
Merge pull request #460 from Incubaid/masterless

Masterless
Enabling non-LWT logging

Code mostly imported from 1.7 branch, specifically rev.
037abb4024f64af8cd86a3d57668283cefd87598, to reach a state similar as to
the one seen in rev. 186bd73659f277947cf2a95fe71bec27e15d27dc.
Logging embedded in statistics
Merge mark-christiaens/logging into 1.6 (using imerge)
Fix compilation