[ReleaseNote] Add new features & bugfixes
[ReleaseNote] Add new features that were implemented by @cosmo0920
[ReleaseNote] Add a missing new feature which is implemented by @cosmo0920
[ReleaseNote] Fix indent
Merge pull request #846 from project-hatohol/14.12_releng/releasenote-ashie

14.12 releng/releasenote ashie