[EventsQueryOption] Enable to search events by trigger ID
[RestResourceHost] Add a query parameter to specify trigger ID on getting events

* triggerId
[testFaceRestNoInit] Plug memory leaks
[DBTablesMonitoring] Add a missing "const" qualifier
[DBTablesMonitoring] Add a missing "const" qualifier
[testFaceRestNoInit] Add a test for a query parameter "triggerId" of events
[RestResouceHost] Add an alias "limit" for a query "maximumNumber"

Because it's more popular & simple.
[EventsView][TriggersView][LatestView] Use "limit" instead of "maximumNumber" to reduse query string
[utils] Fix style of the function definition of escapeHTML()

Follow the style of arround code.

var function = escapeHTML() ->
function escapeHTML()
[client][utils][test] Fix indent
[utils] Add a function to decode query parameters
[EventsView] Add a object to store base query
[EventsView] Fix a broken baseQuery in previous commit
[EventsView] Add missing semicolon & remove needless spaces
[HatoholMonitoringViwe] Modify an utility function

addHostQuery() ->
getHostFilterQuery()
[EventsView] Enable to receive query paramters for events via URI
[EventsView] Show an error of XMLHttpRequest as same style with triggers page
[EventsView] Remove unused code
[TriggersView] Remove unused code
[TriggersView] Remove an unsed local variable