remove conflict
multiply -1.0 to entropy value (fixed #348)
Delete unnecessary virtual: fix #354
Merge pull request #356 from rimms/stat_entropy

fixed stat::entropy (#348)
Make test script
Add work directory for test to gitignore
Fix jenerated server template. fixes #319
Call _exit when execvp failed
Merge pull request #362 from gintenlabo/exit-process-if-execvp-failed

Add _exit when exec failed (fix #215)
Remove duplicated using declarations
Add byte_buffer::operator=

in C++11, implicit definition of copy assignment operator
is deprecated if copy constructor and/or destructor is defined.
Add swap to byte_buffer
Remove byte_buffer's explicily defined special member functions

They are trivial, so using implicitly defined one is better.
Comment for byte_buffer
Fix implementation of byte_buffer::assign
Add test for byte_buffer
&(*buf_)[0] is undefined if buf_->size() == 0
Merge pull request #366 from gintenlabo/remove-duplicated-usings

Remove duplicated using declarations
Merge pull request #367 from gintenlabo/fix-byte_bufffer

Fix core::common::byte_buffer
Merge branch 'master' into new-jenerator