[Server][DataQueryOption] User vector instead of list for sortOrder
[Server][DataQueryOption] use vector listead of list to represent of sortOrder
[Server][DataQueryOption] replace implementation of sortOrder.

Use vector instead of list for representation of sortOrder.
[Server][DBTablesMonitoring] use sortOrderVect instead of sortOrderList
[Server][Test][DataQueryOption] replace sortOrderList by sortOrderVect

Yes, anzu.el! :)
[HapProcessStandard] Remove remaining async. tasks in the destructor.
[Server][DBTablesMonitoring] specify vector reserve size before push_back
[HapProcessZabbixAPI] Restructure relationship of the classes.

The new class: HapProcessZabbix has the similar class structure
with HapProcessCeilometer. This means that shared code between
them increases. As a result, this patch improves maintainability.
[HapProcessZabbixAPI] Implement fetchItem().
Merge pull request #674 from cosmo0920/use-vect-instead-of-list-sortorder

Use vector instead of list for sortOrder
Merge pull request #680 from project-hatohol/item-hapi-zabbix-2

Item hapi zabbix 2
[Server][MLPL] rename MLPL -> HFL
[Server] rename mlpl -> hfl
[Server] libmlpl -> libhfl
update .gitignore

mlpl -> hfl
configure: rename MLPL -> HFL
[Server][HFL]libmlpl -> libhfl
[Server][Common] rename mlpl -> hfl
[Server][src] rename mlpl -> hfl
[Server][HAP] rename mlpl -> hfl