[DBAgentMySQL] Remove a constructor paratemer: domainId that is now being unused.
[testDBAgentMySQL] Remove a global variable to improve test independency.
Merge pull request #489 from project-hatohol/cleanup-dbagent-mysql

Cleanup dbagent mysql
[DB][DBAgentFactory] Move a function to create a DBAgent instance to a factory class.

Previously, a class: DB directly create a DBAgent instance. However,
I will add a feature to select the actual instance to be created by
a configuration file.

So the creation should be consolidated to a factory class.
[DBAgent] Remove an unused initialization mechanism.

Now initialization of tables is done by DBTables and the sub classes.
Merge pull request #491 from project-hatohol/create-dbagent-by-factory-2

[DB][DBAgentFactory] Move a function to create a DBAgent instance to a f...
Merge pull request #494 from project-hatohol/remove-unused-code-in-dbagent

[DBAgent] Remove an unused initialization mechanism.
Merge pull request #493 from project-hatohol/arm-redmine-3

Add a skeleton of ArmRedmine
[ArmRedmine] Move implementation of getQuery() to ArmRedmine::Impl