[HapProcessCeilometer] Add a mechanism that rember alarm IDs at the aquisition.
[HapProcessCeilometer] Return an error code.
[HapProcessCeilometer] Check the return value of soup_message_new().
[HapProcessCeilometer] Add a feature to send Events.
[testHapProcessCeilometer] Add tests for parseAlarmHistoryDetail().
[HapProcessCeilometer] Send only updated alarm histories (events).
Merge pull request #543 from project-hatohol/buildassert-20140911

[server] common/HatoholException: Make HATOHOL_BUILD_ASSERT() work.
[HapProcessCeilometer] Sort alarm histories by the time before the save.

We assume the events are sorted by the time. However ceilometer returns
events (alarm histories) in descending order. So we have to sort them before
they are sent to Hatohol server.
Merge pull request #544 from project-hatohol/hatohol-arm-plugin-ceilometer-c++-7

Hatohol arm plugin ceilometer c++ 7
[server] Use TriggerIdType for trigger ID value
Merge pull request #546 from project-hatohol/use-trigger-id-type

[server] Use TriggerIdType for trigger ID value
[server] Don't use "..." style include for non current directory file

Params.h was moved to server/common/.
Merge pull request #547 from project-hatohol/dont-use-double-quote-include-for-non-current-directory-file

[server] Don't use "..." style include for non current directory file
[HapProcessCeilometer] Show a reason of the error message.

The purpose is to make it easy to understand the problem quickly.
Merge pull request #548 from project-hatohol/hap-process-ceilometer-improve-error-message

[HapProcessCeilometer] Show a reason of the error message.
[server] Add missing include

Monitoring.h uses mlpl::Time that is defined in SmartTime.h.
Merge pull request #549 from project-hatohol/add-missing-include

[server] Add missing include
[server][HAPI JSON] Support getting severity from JSON
[server][HAPI JSON] Apply severity
[server][REST][event] Use information in events table preferentially

Information in events table will be useful rather than information in
triggers table. For example, events for error logs.

See also #545.