Cherry pick from devel/tizen (Version 1.0.5)

Cherry pick from devel/tizen (Version 1.0.5)

Fix custom fact validation
Fix coding rule
[trigger] Added template verification
[Trigger] Set trigger rule(sched job) as persistent
trigger: set the lower/upper bound of int comparisons considering its logical type
trigger: Implement rule info validators on ContextItem
trigger: implement API functions using the internal job scheduler API
Add custom context name checker (regex)
trigger: define API handle structures and static util functions
trigger: add the skeleton of the class CustomTemplate, which is used to validate custom facts
trigger: add the skeleton of the class ContextItem, which is used to verify event and condition items
trigger: add PrivilegeChecker
trigger: remove the legacy trigger API implementation

Change-Id: Ic088b30db291e293f3ca088769499f40e73d1f38
Signed-off-by: Somin Kim <somin926.kim@samsung.com>