Merge branch 'devel/tizen_3.0' into tizen

Merge branch 'devel/tizen_3.0' into tizen

* devel/tizen_3.0:
  Implement session & system dbus signal subscribers
  Postpone client requests delivered before the service is ready
  Remove ecore handling routine as it is not used anymore
  Fix issues detected by static program analysis
  Version 0.7.0
  Switch to use context-provider, instead of device, statistics, and place-context-providers
  Removed clips dependency
  Replace CLIPS with the internal rule evaluator
  Modified to handle get template request - Added template manager
  Fix operator error during time event handling
  Modified cotext monitor as singleton
  Removed time alarm, now item
  Remove uninstalled creator's rule after event received
  Remove unnecessary headers included
  Arrange SQL query string in rule manager
  Added context_fact_types.h
  Timer related items are recovered. Double quotations around comparison string are removed.
  Modified to read conditions aynchronously
  Added trigger rule class. - Removed script generator, clips handler. - Timer event/condition not working - Condition not working
  Modified Context Trigger to run on the main thread. (Removed fact_reader)

Change-Id: I6fc4badc0d219efe722b70a0d8ab376c67b574dc
Signed-off-by: Mu-Woong Lee <muwoong.lee@samsung.com>