[ArmRedmine] Move implementation of getQuery() to ArmRedmine::Impl
[ArmRedmine] Remove a needless function
[DBTablesMonitoring] Add updateIncidentInfo() in order to update an incident from ArmRedmine
[ArmRedmine] Save updated incidents
[ArmRedmine] Fix place of constants
[ArmRedmine] Add startIfNeeded()
[ArmRedmine] Add mutex for starting a thread
[ArmRedmine] Avoid using soup_uri_get_host() and soup_uri_get_port() to build against old libsoup.

They are available since libsoup-2.32.
[RedmineAPIEmulator] Fix a build error against old libsoup
[ArmRedmine] Suppress redundant instantiation of ThreadLocalDBCache & DBTablesMonitoring
Merge pull request #496 from project-hatohol/arm-redmine-4

Add some missing features of ArmRedmine