feat(prevNode): add "prevNode" to "Set" response
feat(prevNode): add test for prevNode
refactor(dashboard): Restructured front-end dashboard code.
fix(dashboard): bugs in key browser and stats page.
Fixed key add, key delete bugs. More refactoring.
fix(build): Use ngmin. Fix all introduced erros in previous commits.
bump(github.com/coreos/raft): ef3280ce54f60fff98a72012f547ed2b3415841f
Merge pull request #528 from coreos/restructure-dashboard

Restructure dashboard & bug fixes
fix(Documentation): add etcd-dump to libraries and tools

Fixes #325
Merge pull request #514 from cenkalti/prevNode

feat(prevNode): add "prevNode" to "Set" response
Merge pull request #543 from philips/bump-goraft

bump(github.com/coreos/raft): ef3280ce54f60fff98a72012f547ed2b3415841f