Various minor fixes#1

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abrander wants to merge 4 commits intoodise:masterfrom

abrander:master

Commits on Jun 25, 2015

Added config file option for disabling cluster sync.
abrander
committed
Changed default etcd entry point to localhost:2379 (and removed traling slash).
abrander
committed

Commits on Aug 12, 2015

Restore TTL as seconds instead of nanoseconds.
abrander
committed

Commits on Sep 28, 2015

Create backup dump using O_TRUNC.
abrander
committed