Run flare-tests after building flare
Fix delete-array
Add initialization of node-valiable
check return-value of open
Merge pull request #64 from junjihashimoto/develop

Fix some warnings (delete-array's typo, not initialized variable and checking return-value of open-syscall)
data race condition on thread::_running and thread::_id
do null check before the variable is used
remove unnecessary compared statement
fix resource leak
Merge pull request #67 from y-kamiya/develop

fix some defects
Merge pull request #62 from ikehara/travis_flare-tests

Run flare-tests after building flare
Add an include directive for string.h in binary_network_mapping.h
Modify .travis.yml to divide build steps
Refactor cluster.cc
Fix constructors
Remove old initalizing code
Fix indents
Merge pull request #70 from yayugu/small_fixes

Small fixes
Fix const member value declaration
Merge pull request #71 from yayugu/fix/const_decl

Fix const member value declaration