Issue 171

- Basic part of HatoholArmPluginGate
  - Including check of the Apach Qpid's client library.
- Database for HaotholArmPlugin
- Reduce the number of lines of test output on TravisCI.

Note: The last test: 4808 failed. But the reason is considered in the bug of Cutter.
https://github.com/clear-code/cutter/pull/12

https://travis-ci.org/project-hatohol/hatohol/builds/22419222

Ref. #181