fix filename typo
change func names and fix typo
separate sendSnapshotRecovery logic into sendSnapshotRecoveryRequest func
Merge pull request #80 from coreos/newSnapshotLoop

New snapshot loop
Fix missing SendSnapshotRecoveryRequest() implementations.
write log entry to file on disk when appendEntry and truncate log file on disk when truncate log entries
add position to log_entry protobuf
remove panic from log.go
do not to init variable to zero
add comments for flushCommitIndex func
refactor fixlog
delete \n in nopcommand
Merge pull request #81 from coreos/fixLog

Fix log
write multiple entries with a buffered io
refactor on buffer writes
Merge pull request #82 from coreos/master

write multiple entries with a buffered io
do not use buffered reader, since sometimes cannot read file content out
Merge branch 'addSyncAttr'
remove printf in decode log entry
fix a logic error in log open